Tata Teleservices (Madhya Pradesh) Tata Teleservices Limited Plot No -1,2,3 Kwality Globus, Permali Wallace compound, Opp. R.B.I, Hoshangabad Road, Bhopal-462011
Tata Teleservices (Kolkata) Tata Teleservices Limited P. S. Srijan Tech Park, DN-52 Sector - 5, 15th Floor, Salt Lake, Kolkata – 700091
Bharat Sanchar Nigam Limited (West Bengal) At. Ramkrishna pally P.O & P.S Islampur, Dist. Uttar Dinajpur(WB) PIN-733202,
Tata Teleservices (Kerala) Tata Teleservices Limited A Block, 2nd Floor, Silicon Terrace, No. 30/1, Koramangala Hosur Main Road, Bangalore – 560095
Tata Teleservices (Karnataka) Tata Teleservices Limited A Block, 2nd Floor, Silicon Terrace, No. 30/1, Koramangala Hosur Main Road, Bangalore – 560095
Bharat Sanchar Nigam Limited (Uttarakhand) O/o The CGMT UKD Circle,Patel Nagar Telephone Exchange-248001.
Bharat Sanchar Nigam Limited (Uttarakhand) P.M.R.Y.Club,C/o manish Chandra Rana,Village-Godi-Chhoti,Post-Dugadda,Dis-Pauri garhwal (UKD)-246127.
Tata Teleservices (Himachal Pradesh) Tata Teleservices LimitedC-125, Phase 8,Industrial Focal Point, Mohali, Punjab – 160071
Bharat Sanchar Nigam Limited (Uttar Pradesh – West) Bhartiya Manav Kalyan Samiti, B35A, Sec-27, Noida, Gautambuddh Nagar, 201301 (UP)
Tata Teleservices (Haryana) Tata Teleservices LimitedC-125, Phase 8, Industrial Focal Point, Mohali, Punjab – 160071
