Bharat Sanchar Nigam Limited (Gujarat) 8th Floor Telephone Bhavan , C G Road ,Navrangpura , Ahmedabad 380006
Bharat Sanchar Nigam Limited (Chhattisgarh) Office of CGMT Chhattisgarh Telecom Circle Khamhardih Raipur (Chhattisgarh)-492007
Bharat Sanchar Nigam Limited (Bihar) 5th Floor, O/o the CGMT Bihar Circle, Sanchar Sadan, Budh Marg, Patna Bihar - 800001.
Bharat Sanchar Nigam Limited (Assam) O/o The CGMT, Assam Circle, BSNL Bhawan,Panbazar, Guwahati Assam
Bharat Sanchar Nigam Limited (Andhra Pradesh) Room no. 407 , 4th Floor ,BSNL Bhavan,Chuttigunta, Eluru Road, Vijayawada- 520004
Bharat Sanchar Nigam Limited (Andaman & Nicobar) O/o CGMT, BSNL Bhavan, Sri Vijayapuram,Andaman & Nicobar Islands
Bharti Airtel Limited ( West Bengal ) Bharti Airtel Limited, Infinity Building, 5th Floor,Salt Lake Electronics Complex, Kolkata-700091,West Bengal
Bharti Airtel Limited (UP West & Uttarakhand ) Bharti Airtel Limited, B38/C1, Sector 57, Noida-201301, Uttar Pradesh
Bharti Airtel Limited ( UP East) Bharti Airtel Limited, TCG 7/7, Vibhuti Khand,Gomti Nagar, Lucknow - 226010
