Bharat Sanchar Nigam Limited (West Bengal) O/oThe CGM, West Bengal Telecom Circle, 8-Red cross Place, Kolkata-700001
Bharat Sanchar Nigam Limited (Uttarakhand) O/o The CGMT UKD Circle,Patel Nagar Telephone Exchange-248001
Bharat Sanchar Nigam Limited (U.P West) O/o CGMT UP west, 1st floor, BSNL Tel. Exchange vShastri nagar, Meerut U.P-250004
Bharat Sanchar Nigam Limited (UP East) Office of CGMT UPE Telecom Circle Hazratganj Lucknow Uttar Pradesh -2260001
Bharat Sanchar Nigam Limited (Andhra Pradesh) 2nd Floor, Doorsanchar Bhavan, Nampally Stn Road, Abids, Hyderabad-1, Telangana Circle.
Bharat Sanchar Nigam Limited (Sikkim) 4Th Floor,Sanchar Bhawan, Bhaluakhani,Near Vajra Stand, Gangtok,Sikkim-737101
