भारतीय दूरसंचार विनियामक प्राधिकरण Telecom Regulatory Authority of India 
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| S no. | Name of the Service provider | Area Of Operation | Name | Designation | Address | Telephone Number | Fax | Email id | Link |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Tata Teleservices Ltd. | All India except Assam, NE & J&K | Mr.Sunil Tandon | President - Regulatory & Corporate Affairs | A-37, Sector-60, Noida - 201301 UP | 0124-6746932 | sunil[dot]tandon[at]tatatel[dot]co[dot]in | - | |
| 2 | M/s Reliance JIO Infocomm Limited | All India | Kapoor Singh Guliani | President (Regulatory) | D–7, Dhwandeep Bldg, 6, Jantar Mantar Road, Connaught Place, New Delhi - 110001 | 011-43523795 | 011-23340453 | kapoor[dot]guliani[at]ril[dot]com | - |
| 3 | M/s Reliance Telecom Limited | Kolkata, MP, WB, HP, Bihar, Odisha, Assam & NE | Shri Amit Mathur | Executive Sr. Vice President | Reliance Centre, B-Wing, 3rd Floor, Maharaja Ranjeet Singh Marg, New Delhi-11002 | 011-30331781 | 011-30463672 | a[dot]mathur[at]relianceada[dot]com | - |
| 4 | M/s Reliance Communications Ltd | All India (except Assam & NE) | Shri Amit Mathur | Executive Sr. Vice President | Reliance Centre, B-Wing, 3rd Floor, Maharaja Ranjeet Singh Marg, New Delhi-11001 | 011-30331781 | 011-30331012 | a[dot]mathur[at]relianceada[dot]com | - |
| 5 | M/s Mahanagar Telephone Nigam Ltd. | Delhi, Mumbai | Shri Ashok Kumar | GM (RA&C) | 5th Floor, Mahanagar Doorsanchar Sadan, 9, CGO Complex, Lodhi Road,New Delhi . 110003 | gmracomtnl[at]gmail[dot]com | - | ||
| 6 | Vodafone Idea Ltd. | All India | Mr. Ajay Mehta | VP - TRAI Policy and Operations, Regulatory | Regulatory & Corporate Affairs Office- 7th Floor, "Konnectus" Tower B, Bhavbhuti Marg, New Delhi- 110002 | 011-23210134, 35 | 23730135 | ajay[dot]mehta1[at]vodafoneidea[dot]com | - |
| 7 | Bharat Sanchar Nigam Ltd. | All India (except Delhi & Mumbai) | Shri Harinder Kumar | GM (Regulation) | 5th Floor, Bharat Sanchar Bhawan, H.C. Mathur Lane, Janepath, New Delhi - 110001 | 23734097 | 23734174 | harindermakkar[at]gmail[dot]com | - |
| 8 | Bharti Airtel Limited | All India | Shri Rahul Vatts | Chief Regulatory Officer | Plot No-16, Udyog Vihar, Phase-IV Gurgaon-122015 Haryana. | 0124-4243106 | 0124-4248063 | rahul[dot]vatts[at]airtel[dot]com | - |
| 9 | Aircel Limited | All India (except Gujarat, Haryana, HP, MP, MH, UP (W)) | Mr. Hemant Coomar | Head - Regulatory Operations | 5th Floor, Building No.10-A, DLF Cyber City, Gurgoan – 122002. (Haryana) | 0124-4765100 | - |
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