Bharat Sanchar Nigam Limited (Bihar & Jharkhand) .Room No. C-308, ARTTC Building Near Jumar River Ranchi
Hathway Cable and Datacom Limited (Bihar) Consumer Guidance Society of India, Opp. Cama Hospital Mahapalika Road, Mumbai (Consumer Guidance Society of India, Mumbai)
RailTel Corporation of India Limited (Bihar) Plot No 143, Institutional Area, Opp. Gold Souk Mall, Sector 44, Gurgaon-122003
Bharat Sanchar Nigam Limited (Bihar & Jharkhand ) O/o CGMT, JKD, Room No. A204, ARTTC Building Near Jumar River Ranchi.
Tata Teleservices (Bihar) ISLAMPUR RAMKRISHNAPALLY RURAL WELFARE SOCIETY At Ramakrishnapally,P.O. & P.S -Islampur District -Uttar Dinajpur West Bengal Pincode - 733202
Tata Teleservices (Bihar) Tata Teleservices Limited, 3rd Floor, Voltas House, Opposite Hotel Ginger, Main Road, Bistupur, Jamshedpur-831001
