RailTel Corporation of India Limited (West Bengal) Plot No 143, Institutional Area, Opp. Gold Souk Mall, Sector 44, Gurgaon-122003
Tata Teleservices (West Bengal) ISLAMPUR RAMKRISHNAPALLY RURAL WELFARE SOCIETY At Ramakrishnapally,P.O. & P.S -Islampur District -Uttar Dinajpur West Bengal Pincode - 733202
Tata Teleservices (West Bengal) Tata Teleservices Limited P. S. Srijan Tech Park, DN-52, Sector - 5, 15th Floor, Salt Lake Kolkata – 700091
Bharat Sanchar Nigam Limited (West Bengal) O/o The CGM, West Bengal Telecom Circle, 8 Red Cross Place, Kolkata-700001
Bharat Sanchar Nigam Limited (West Bengal) At. Ramkrishna pally P.O & P.S Islampur, Dist. Uttar Dinajpur(WB) PIN-733202
Bharti Airtel Limited (West Bengal) Bharti Airtel Limited, Infinity Building, 5th Floor, Salt Lake Electronics Complex, Kolkata-700091, West Bengal,
Bharat Sanchar Nigam Limited (West Bengal) O/o The CGM, West Bengal Telecom Circle, 8-Red cross Place, Kolkata-700001
