LUMEN TELE-SYSTEMS PVT. LTD.
30a, Lake Temple Road, Ground Floor,, Kolkata - 700029, West Bengal, India
67-b, Netaji Subhas Road, Post Box No. 34,, Kolkata - 700001, West Bengal, India
Ae-24, Ground Floor, Sector-1, Salt Lake City,, Kolkata - 700064, West Bengal, India
# 1, Chandni Chowk Street,, Kolkata - 700072, West Bengal, India
33/3, Madhu Pandit Road, Near Fci Godown, Barrackpore, Kolkata - 700123, West Bengal, India
10, Ganesh Chandra Avenue,, Kolkata - 700013, West Bengal, India