| 1 | 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 | - |
| 2 | 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 | - |
| 3 | 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 | - |
| 4 | 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 | complaints_vilregulatory[at]vodafoneidea[dot]com | - |
| 5 | 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 | - |
| 6 | Bharti Airtel Limited | All India | Shri Rahul Vatts | Chief Regulatory Officer | Plot No-16, Udyog Vihar, Phase-IV Gurgaon-122015 Haryana. | 9810012345 | 0124-4248063 | 121[at]in[dot]airtel[dot]com | - |
भारतीय दूरसंचार विनियामक प्राधिकरण Telecom Regulatory Authority of India 
