Kolkata

P31, CIT Road, 2nd Floor, Kolkata 700014 

Satyabala Telephone Exchange, 200/201, GT Road (N) Howrah-711107

P31, CIT Road, 2nd Floor, Kolkata 700014 

P31, CIT Road, 2nd Floor, Kolkata 700014 

Telephone Kendra (TBZ), 10th Floor,P-10, New CIT Road , Kolkata- 700073

Plot No 143, Institutional Area, Opp. Gold Souk Mall, Sector 44, Gurgaon-122003

A/4, Anand Nagar, Sitala Devi, Temple Road, Mahim, Mumbai - 400016

Unit 306, 3rd Floor, Windsor, Off CST Road, Kalina, Santacruz (East) Mumbai

ISLAMPUR RAMKRISHNAPALLY RURAL WELFARE SOCIETY 
At Ramakrishnapally,P.O. & P.S -Islampur District -Uttar Dinajpur West Bengal Pincode - 733202

Tata Teleservices Limited P. S. Srijan Tech Park, DN-52 Sector - 5, 15th Floor, Salt Lake, Kolkata – 700091