Contact MTNL – Mumbai: Find below customer care details of MTNL phone service provider in Mumbai, including phone, email and address. You can reach the below contact for queries on new connection, cancellation, telephone plans, broadband, 3G, or other questions on MTNL services in Mumbai. Besides contact details the page also offers information and links on MTNL services.

MTNL Mumbai Head Office
15th floor, Telephone House,
MTNL Road, Prabhadevi, Dadar (West),
Mumbai – 400 028

MTNL Customer Care (Mumbai)

> Landline: For landline related queries/complaints call 1500 or 22221500
> Internet: For internet related queries/complaints call 1504 or 1800228844 or 22221504
> Dolphin/Trump: For Dolphin or Trump service related queries call 1503 or 9869012345 or 22221503
> Garuda: For Garuda service related queries call 1502 or 22221502
> IPTV/VOIP: Dial 126555
> IN Services: 1800 22 1500
> MTNL Trustline: 23690015, 23690016, 23690077

Escalate Complaint
If the customer care does not respond promptly, you can escalate the matter with senior authorities at MTNL in Mumbai.
Executive Director: 24371900/24308855
Chief General Manager: 24334455
GM South: 22025500
GM North: 24145556
GM Central: 23535500
GM East: 25146000
GM WesT: 26554242

Email Support
[email protected]
[email protected] (for central areas)
[email protected] (dolphin bill help)
[email protected] (garuda bill help)

MTNL Mumbai Locations
To locate a MTNL office nearest at your address click here

Online Bill Payment
To view or pay your MTNL bills online click here. You can view Dolphin as well as Garuda bills in the customer portal here. You can also click here to view or pay your landline bills. You can pay your bills online using credit card or net banking facility. In addition, you can pay your bills at MTNL counters, drop boxes, bank collection centers, MTNL kiosks, ATMs and easy bill outlets.

MTNL Products/Services

> MTNL Mobile Services
Prepaid – MTNL prepaid plans include Youth Plan, Sakhi Plan, SIM 10, SIM 40, SIM 75 and SI 80. To recharge your prepaid just dial 400 and follow the IVR instructions.

Postpaid – MTNL postpaid plans include Pay Per Second, Dolphin 199, Budget G, Economy E, Super Saver, Unlimited Local, Life Time, One India, Roaming Freedom, CUG 200 and CUG 500.

Mobile Internet – You can now avail internet on your mobile with MTNL GPRS. You can also connect your PC using your mobile through USB Data Cable or Bluetooth.

Mobile Number Portability – You can shift to MTNL now through MNP. Call 1800221503 for details.

You can now experience faster internet with MTNL 3G. You can enjoy a range of benefits that include Video Calling and Mobile TV.

> MTNL Landline Services
MTNL offers various landline plans starting from Rs 150 monthly charges to Rs 2000. You can subscribe for add on services such as call forwarding, reminder call, call alert, three party conference and more.

> Fixed Wireless Phone
The service is based on CDMA Technology and has no wire connection.

> MTNL Broadband
Triband is the broadband connection service of MTNL that assures minimum speed of 256 kbps. You can subscribe for services such as VPN, IPTV, video-on-demand, VoIP, video phone and more. Call 1500 to get a new Triband connection. Triband offers Freedom Plans, Unlimited Plan, Data-Usage Plans, Combo Plans (up to 4 Mbps speed), Prepaid Vouchers and more.

About MTNL
mtnl-logoMTNL is the acronym for Mahangar Telephone Nigam Ltd. It was established in the year 1986. Managed and operated by the government of India, the telecommunications company initially began in 1882 as Bombay Telephone. MTNL was the first operator in India to launch 3G services. MTNL is today the largest broadband service provider in Delhi & Mumbai. The company employs some 45,000 people as of 2010. MTNL has over 8 million customers in the two metros – Delhi and Mumbai. MTNL has 2.65 million wireless users in Delhi and 2.85 million users in Mumbai. MTNL mobile users can get access to Top Up Coupons starting from as low as Rs 10 to Rs 550; Bonus Coupons with pay per second, sms packs, night pack and more; Recharge Coupons such as Trump Zabardast, Trump Power and Lifetime Voucher; and GPRS Coupons that has free data of 250 MB and 1 GB.

This article has 65 comments

  1. Sharad Kulkarni Reply

    My telephone number 24220353 has been down since Tuesday August 1st. Inspite of several complaints made , no one has turned up to repair the faulty line since last 5 days. When contacted on phone I was told that there is no staff or worker available to deal with faults in Prabhadevi area and until MTNL recruits new people situation will not improve as existing staff has been transferred How can this be. I simply cannot believe that you have no one available to service telephone complaints in the Prabhadevi area?
    Could you please advise what the problem is? This has never happened before. In the past After a complaint was registered some one from MTNL use to promptly appear and resolve the issue. This is the first time in 25 years that my telephone is down and no one from MTNL has even bothered to come and attend to the problem. I would appreciate your response.

  2. Hari Singh Reply

    I applied for shifting of landline Telephone , Work order was raised vidework order No. 67604 dated 14th Dec. 2016,
    I Personally met Mr. Vaidya he denied due non fesible,But when I personally survey that Area I Found no of telephones are working in the same areawith different three piller boxes. I approached with DGM Mr. Patil, I never found him in office, I approached GM East-2 no. of times but no action, I called up Executive Director always answer is he is not in office will let you know when he comes. After about 5 months My telephone is not shifted, Even the higher authority is not responding to the letters and mails.As this is office No. no of peoples may be calling and lost of communication which leads to loss of business.If they inform me and give time lines than I may have some alternate way of communication.This was unexpected wher higher official are enjoying their status and not taking action.
    Today GM east 2 is on Long leave, DGM is also on leave, Executive director is not in office, No one in sub divisional Engineer office.

    If a person had such problem which door he should knock.
    Due to such bad services private companies are going up and Govt business is going down.

  3. Venkateswaran H Reply

    Dear Sir,

    Landline No.: 24010562
    CA : 2041190562

    It is with great regret I am writing over here for the third time that no action has been taken to set my line correct which is not working for the past 1 month and 20 days now.

    I have made N number of calls to various offices at MTNL and given references of my Docket number 9221 which was raised on 3rd of December. In spite of the line being dead, I have paid my bill on time.

    All that I have received from your various offices are hollow assurances and nothing else.

    Can I expect some positive action from your side please???

    Why is the quality of your service deteriorating ??

  4. Venkateswaran H Reply

    My residential Telephone Number 24010562 has not been working for the past 1 month. I raised a complaint on 3rd December after several follow ups over phone docket number = 9221 but till date there is no response.

    Post this even followed up with an email to selfcare on 23/12/2016 and then also called up at 24012198, 22221500 (call center where you can expect least help) & 24145556 where a lady informed me that complaint is there with them.

    Now today is my due date for paying my bill. What kind of service and response are you giving to customers of late and please tell me why should I pay my bill on time when I have been running around for 1 month to get my landline complaint resolved without any response from your end ???

  5. Kaushal Doshi Reply

    Since I have taken the new connection there has been constant fluctuations in the broadband service. None of your officers are responding the problem and have turned a deaf ear to the queries.
    Kindly urge you to look into the matter at the earliest.
    Or else I have to simply go on disconnecting your so called good service.

  6. Rahul K.Pardiwala Reply

    C.A.NO – 2100259500

    TELE NO -25665230

    Please note that Internet is not working from last Friday complaint vid docket no 8273 no response today again complaint vid docket no – 6786 and also submitted complaint letter at MTNL Nahur office still no response.

    Inetnet is not working last 5 days.

    Take necessary action immediately and confirm by e mail.

    Service of MTNL is extremely poor .

  7. Bhavana Reply

    The 3g internet on my number (9869646479) is not working since a week’s time, I have been complaining for this daily but every day, the executive on the line lodges a complaint saying that “the issue will be resolved, aapko call aaega, internet chalega”, but nothing seems to work. they give me manual settings, moreover, they have settings for my phone(Lenovo K50a40) but they are not able to send across.

    To mention a few, these are the complain numbers, with no results at all


    Nobody bothers to check or rectify the issue.
    If you really have some authority, kindly check and get the issue fixed.

  8. V M Kotian Reply

    We had requested for Voice Activation on our FTTH Data Connection # 20888712 (C A # 2080404766) in March 2015. The work order for the same was issued within a week and the charges for Voice Facility started reflecting from the Bill dated 10th April 2015 onwards, inspite of information from the Pahadi Tel Exchange that the Voice facility cannot be provided as the exchange is not equipped with the necessary infrastructure. As such you are requested to refund the excess amount collected so far & remove the Voice Facility charges in future bills.

  9. jagdish bate Reply

    Dear Sir,

    Good day to you..

    With extreme dissatisfaction and regrets I am writing this mail to bring the case in your notice with the last hope for doing the needful.

    We are having 28929349 MTNL number, this number is not working or dead from your side always, and when I am going to do complaints from all your recorded numbers i.e. 2198….they are saying this number is not from our exchange, ALL OTHER YOUR CUSTOMER CARE NUMBERS i.e.1500 or 22221500 or 1800 22 1500 ARE LITERALLY USELESS. NO RESPONSE ALWAYS.

    Since more than 6 months we are facing the connectivity problem (DEAD LINE OR CONTINUOUS DISTURBANCE) and very very BAD SERVICE FROM YOUR CUSTOMER CARE with this device and made numerous complains with Borivali and dahisar Exchange.

    Sir, this is our very old number, you can understand the level of problem arises.

    So, such situation made us to write this to your kind self to look into the matter personally and do the needful please. Your positive and quick response will be highly appreciated now.


  10. Shashikant Kedia Reply

    C.A. No. : 2081253233

    I have just now recd my Bill dated 10.7.15 for the period 1.6.15 to 30.6.15.

    In the said Bill, 31 Local Calls have been shown and 6 calls have been charged after allowing 25 free Calls.

    I would like to inform you that for the month of February 2015 also I had recd Bill for excessive calls (140 calls against hardly 15 calls made by me) which was even more than this and I had lodged a written Complaint with Div. Engineer Meter reading Section,Sunder nagar Telephone exchange, Malad west, but till date I did not receive any reply from them. After that Bill, we have started keeping our Phone locked with locking Code and we must have hardly made 5-6 Calls during the above billing period. the locking Code is exclusively with me alone and not even with my other family members.

    I fail to understand as to how can excessive billing take place again & again.

    Kindly acknowledge the receipt of my above Complaint and let me know as to why this is happening and correct the mistake.

    I have also been making repeated Complaints for frequent internet disruptions as well bad quality of Phone line as there is always a disturbing sound on my phone line as well as the person at the other end is unable to hear our voice clearly. This has also not been attended since last 1 year despite my repeated Complaints.

    Kindly correct the wrong billing and also get the faulty landline as well as broadband corrected.

  11. A DSOUZA Reply

    Landline has been dead since 22/04/2013. Lodged online complaint via Docket #570 on 22/04/2013. Then again lodged complaint via Customer Care Docket# G8393669. Called Divisional Engineer many times – was told to follow up with local exchange Engineer. HAve been following up daily. Line still out of order.

  12. Nisha Hegde Reply

    I need to complain against the MTNL service as its very pathetic. Since last 2 months we are receiving the MTNL Phone bill just 1 or 2 days before the Due Date. Today I called the customer care (1500) and spoke with some female OPERATOR. She did not take my complain.. in fact asked to call 28018000. I tried the number but was unable to do so. This time there was some male operator who gave me another number… to call 27642408. I tried calling this number also but no one responded.
    We are also using MTNL Broadband connection. The connection is equal to not having the service. First of all in a day half time it does not get connected. When we try to call the customer care 1504, never able to speak to them as the call does not get connected. So what’s the use of having customer care when they are not available for customers.

  13. Rajesh Shah Reply

    Broadband not working since 3 weeks, complained at least 7 to 8 times but always i get the SMS as complaint attended.& the internet is still not working.It is very Bad service on the part of MTNL. No one has ever come to check .

  14. ramesh Reply

    My landline is dead since two months. Despite earlier complaints No action taken by MTNL.
    MTNL is interested only generating bills for no service.

  15. Unregistered Reply

    The broadband service provided by mtnl is not consumer friendly. They have a selfcare web portal for obtaining broadband service, but any issues with it are later handled by their landline department. Their junior staff is not provided with proper equipment and tools to ensure uninterrupted 24 hours of broadband service as promised by them.

    In my service area the junior staff is laid back and are told to check if the adsl lights are flashing on modem. They will verbally commit to re-visit and identify the broadband service issue, but then they actually close the reported issue in their system. Then some nameless officer will call to discuss the problem – You ask their names, they are trained to say “kuch pata nahi”. For more details, they ask for intimation to be given to their office on telephone no.s 26332200 & xxx45010 – two new unlisted numbers!!!


    Both the MTNL landline numbers 24158554 and 24153595 in our office have stopped working since Friday the 5th October 2012.

    even after a week, nobody is bothered to respond, nor rectify the problem. How long should we wait ?

  17. Vincent Chettiar Reply

    I booked MTNL Broadband on 4th Feb 2012. Till now the broadband is not installed. I visited the MTNL Mira Road office more than 10 times but no positive answer received so far. Even contacted the Mira Road Branch manager but not getting positive reply. The only answer I am getting is the line is not free. But there no confirmation on when i am going to get the line. Not sure what is the next step.

    Mira Road Telephone Exchange
    Mira Road E Thane 401107

  18. Saleem Sheikh Reply

    I have raised compliant in selfcare regarding DLS signal problem dock no- 4738.

    The compliant docs no 4738 has got closed without any intimation or without any visit at my communication address. And now we have received following message in my registered mobile no.

    “Dear Customer, Your complaint for Tel no :XXXXXXXX with Docs no : 4738 is attended. Thank for using MTNL Services”

    I am not happy with your services. Please reply urgently……??

  19. Khalid K Reply

    I am using internet of MTNL broadband services. Several times my net got disconnected and I called the service center to fix. An engineer came and joint some wire and said its resolved. Now both net and landline has stopped working last 4 days. Despite several calls, no one cares to attend to customers’ concerns. I am now really tired of your shoddy service.


    MTNL Customer Support Service is Too Poor. It is very shame for India. Nobody picking the phone.
    No 24X7 Support. Govt. Should take action.

  21. Shambo Bhattacharjee Reply

    WO no – 2961; WO date – 28 June 2011 – NOT DELIVERD YET.
    Can you respond on status – your local Delivery head – Mr. Pawar is helpless, he says there is a faulty cable, and he is not being supplied with material.

  22. Ashwin Mehta Reply

    I am not receiving my bill for TELE NO:26057109 from March 2012.Kindly look into the matter & reply to me as it not possible for me to chase for duplicate bill from exchange.

    Thanking you in advance.

  23. Ritesh Reply


  24. faisal shaikh Reply

    sir we r not receiving MTNL landline bill since last 2 month plz look into this matter why

  25. Vijaya Reply

    Due to ill health my husband passed away and currently I am not in a position to pay the Telephone bills. Hence I would like to disconnect the phone with immediate effect. For your information when my husband was alive and during his service the MTNL bill was in favour of the Co. Now as there is no regular income I am unable to pay the bill, hence I request u to kindly disconnect the Landline with immediate effect. Hope u would expedite the matter immediately and give us the reply for the same.

  26. vishweshwar Reply

    I purchased the new plan “Pay 25/&get talk time for 95/- on 8th Feb & paid an additional 55/- for roaming service . On travelling to Bangalore my hand set seems to be blocked as it does not recharge also – WHY ??

  27. siddesh Reply

    I need details of calls from my number xx.I get rembuirsement for the calls made. If you can provide me the details for last 3 months, I can call regularly from my number xx. I have already called the call centre and approached CSC. but got very rude answers.

  28. Ashok Reply

    My land line no. is xx. I have broad band also on the same line. I had complained about the faulty line from my cell to 1500. The line started working in the afternoon. Now after 6.00 P. M. my internet is working but land line is dead. Kindly depute somebody to check up the same. Thanking you.

  29. Vijay Gadkari Reply

    Phone no. 25426004
    BB Plan: DSL 399
    Congratulation for enhancing BB speed w.e.f. 26Jan 2012. Please pay attention to the customers(I am one of them) whether they get atleast 80% of the speed subscribed that is mandatory as per TRAI. Further your helpline 1504 as well as [email protected] is useless and never gets reply. I have all documentary proof to show the BB speed and contineous disconnection of BB.Please let me know what is a way out. Thanks.

  30. Sunil Barge Reply

    Dear Sir,
    With reference to below mail(work order number 3100 dt 15 Dec. 2011 ) & reply received from you there after I have contacted the concern person over phone & met Dty Engineer at Rabale Office. It seems that there are no cabels in the entire area & the proposal from Rabale Unit is pending with higher authorities. Kindly take the matter with higher authorities & provide their contact details so that i could approach them directly. In case if decision had already been taken to install cables in the area, please share cabel installation shedule or deadline with us.

    Thanks &Regards,

  31. raju Reply

    My landline stopped working..i had complained three times but there is no response

  32. Dilip S.Phalke Reply

    After generating the monthly bill please send us SMS mentioning bill amount and due date, so that we will pay the bill in we are getting the bill very late.
    Thanks for your co-operation.

  33. Deepak Kumar Reply

    Dear sir,

    My name is Deepak Kumar and i am residing in Santnagar Burari Delhi-110084. Unfortunately i am the subscriber of TRI BAND(MTNL) connection. My phone was dead from 15 Novmber 2011 to 13 January 2012 and i was continuously paying bills for my dead phone.

    Regarding this i am continously visiting to Burari MTNL office but every time i was returned back telling that your phone will be active in 2-3 days
    but 2-3 days becomes months.Now my phone is again in working condition from 14th January 2012. My area SDO assured me that you will get rebate for 2
    months and he asked for application regarding this. I have submitted application for that but still i did’t got any rebate for this.

    Kindly do the needful or if you are also not able to do anything then please provide me the number or Email ID of your higher officers toescalate this matter.

    Please revert me asap.

  34. Mohankumar G Kurup. Reply

    My land line no is 28120474 which is dead around one week back.I had lodged a complaint on 10.1.12 and today one technician came and ask me to identify my cable in the box of the building and call him.This is the way MTNL customer service works ?

  35. ashok Reply

    my broadband services are frequently out of order,but on calling concerned, i only get nos. of various MTNL executives, who are reluctant to respond and the problem goes on and on without any response. in fact the speed promised in scheme is also not available only less than 1/4 what should one do

  36. s m nandan Reply

    I applied for PORT from vodafone to MTNL in the month of Dec.2011 till now MTNL have not responded for my PORT but they have collected Rs.276/- for sim charges but I do not understand why so much of delay in service, If you serve the customer like this in very near future MTNL can shut down shutters. Nobody is interested in serving and they are least bothered of the competition in the market.

  37. ruby Reply

    My landline is out of order since 08jan.
    Please act accordingly as I have a sick person in the family due to which I require the phone every time.
    Appreciate if you cud look into this on a priority basis

  38. Jimmy Mehta Reply

    My Dolphin Tel Bills which I used to pay regularly through net banking are now not reflecting on your website. It continuously shows an error. The Bill also comes to me very late just a day or two before due date.

  39. Mehta Reply

    I had opted for Dolphin Services on my above tel no. on 23rd,Jul 2007. Because of poor MTNL connectivity at my place of work, which caused me immense loss, I have opted under MNP for another service provider going through the procedure for MNP. I received my last bill from MTNL, Invoice No:100117752448 for Rs.680/- which too has been paid by me by Chq No:xx drawn on United Bank of India, dt: 9-07-2011. As of date there are no arrears absolutely to be paid by me. Your Bill reflects a refundable deposit of Rs. 6250/- which is due to me. I request you to kindly look into the matter and settle the amount due to me as urgently as possible. Hoping you will do the needful at your earliest and oblige.

  40. Vijaykumar Reply

    I am unable to get the 3G connection to my phone (Phone No.xx) for almost 7 days. As per instructions of MTNL Call Centre I have sent SMS to 444 “ACT 3G” even though acknowledgement received being received, but no response received from 444 thereafter. I even visited Customer Care Fountain. They have instructed that their SIM is 3G ready.

  41. Raju Reply

    I have made several calls, but their response is very bad. It is better to shift to private companies. My internet speed is too low and what promised has never never been delivered. Very unhappy with the trumpcard services.

  42. Anil Parekh Reply

    If you are using Broad Band from MTNL MUMBAI and if you are using MTNL WEB MAIL ID you should not reveal your phone number and CA number which is in your bill. With these 2 numbers your neighbour can change your password and enter your web mail page.
    He can also change password for internet connection.

  43. shweta Reply

    At Present i am having a telephone with broadband connecton. As my broad band connection is not working . Several times i lodge complaint through 198., they reply me that my Tele. No. was disconnected for few days, they dont give me the reason for that. My telephone bill was paid till date. Then there is no point to disconnect the No. & My Complaint also not attended by Malad, Sundar nagar MTNL Office guys. I am getting problem in my internet connectivity.

  44. meher Reply

    There is a lot of problem in telephone .Last 15 days it is not woring properly .

  45. dinesh Jobanputra Reply

    my Landline not working can some one tell me where to complain

  46. vinay Reply

    my phone buttons are not working properly and also there is disturbance while talking..please look in to the matter and resolve at the earliest.

  47. Shyam Reply

    At present i am having a telephone with broad band connection.As my broad band connection is not working i have contacted your office at marol opp. fire brigade several times. One mr. Kumar from your office came and configured the modem and said that as there is no direct line the internet will not be through… afterwards one lineman came and did something and went off.

    It is a matter of great concern that neither i am not able to use my internet nor my landline as it is out of order for more than three weeks.

    Therefore it is requested that the matter may be taken up immediately at your personal level for rectifying the defects and making the internet and land line through at the earlieast.

    • Vaishnavi Kulkarni Reply

      I could not attach the files. It was showing that there is problem in Internet Explorer

  48. vilas Reply

    I have MTNL land connection for last more than 15 years bearing xx. I have converted it to only incoming since last 2 years but my phone line is dead for almost more than 20 months [you can check the incoming record], In between it got repaired for only few days and again becamedead. Our local wire men some time repair the line and always say that your line is okay up to your door and he is reluctant to check in house line. Now I got fed up and hence want to close the line forever, please suggest the procedure to disconnect the line and demand for deposit.

  49. Farah Reply

    My landline no has been faulty since 2-3 days. Several times i lodged the complaint through 198 and 23442198. I am sorry to let you know that till date my line is not working and the technican from MTNL has not turned up.

  50. Rajesh Reply

    With reference to the subject we have to bring to your kind notice that the subject internet gets disconnected in the middle when we are doing urgent mails or checking the mails.
    The connection get disconnected every half an hour interval when we want to work on internet. This is continuously done from last 15 to 20 days though we made several complain to your department
    But they have overlook at the complaints and no response has been given towards the same nor does your representative wireman is ready to attend the complain given by your operators to him.

  51. Vijitkumar Reply

    I have been having frustrating experience with MTNL customer care. I have booked my complaint atleast 4-5 times now regarding my internet connection.
    My complaint gets booked and I am provided with a complaint number. Typically when you call back and try to complaint for the second time you are told that your complaint is already been booked. However, I was able to lodge complaints again and again which means that my complaint is being closed without actually fixing the problem.
    My internet connection has not been working for two weeks now. It is very inconsistent. There are frequent disconnections. A internet page loads occasionally but most of the times due to intermittent disconnection of internet connection, I am not able to do any work on the internet without disruption for over 5 minutes.

  52. Girish Reply

    customer help is not cooperating with me since my last call before 4 days…after that i have called them more than 6 times. Now if they don’t do my work i will have to complaint to mtnl chief on or before 9th November 2011

  53. Dhawal Saxena Reply

    Despite activation completed, GPRS is still not available on my mobile.

  54. Suresh Chunekar Reply

    I am not getting GSM network connection in my house at Ghodbunder Road, Thane since last 1 month. My cell no. xx.

  55. joy Reply

    My tel . No. xx is dead for the last 7 days. Some one from the telephone exchange came and fixed recently..but again it stopped working. We might disconnect the connection if our problem persists..

  56. Anusaya Reply

    My MTNL phone has been faulty for the last one month. Several times i called and lodged a complaint through 198 but no resolution yet.

  57. digvijay patil Reply

    my internet speed has become slow drastically….
    for the first 2 months i used to get speed upto 250 kbps…but now i get speed only upto 70 kbps…my plan is of rs.1000

  58. rashmin vira Reply

    There is lot of problem in network
    In my premises (B.M.C. Market, Baptista Road, Vile Parle (W), THere is no network so many complaint is given but there is no solution.

  59. sheela Reply

    My Landline no is been faulty since 20-25 days. Several times i have lodged the complain through 198 and 25892198. i am sorry to let you know that till date my line is not working. I am afraid if landline does not work wihtin a day or two i will have to search for some other customer..

  60. franklin vaz Reply

    called around 10 time to lodge a complaint…every time i get a warm welcome to MTNL…later the call goes blank…what poor customer service

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