LUMEN TELE-SYSTEMS PVT. LTD.
30a, Lake Temple Road, Ground Floor,, Kolkata - 700029, West Bengal, India
1/98, Naktala, Ground Floor,, Kolkata - 700047, West Bengal, India
7, Prafulla Sarkar Street,, Kolkata - 700013, West Bengal, India
No. 283/1-b , N.s.c., Bose Road, Garia,, Kolkata - 700047, West Bengal, India
Door No. 4, Jatin Das Road,, Kolkata - 700029, West Bengal, India
158, Lenin Sarani, 3rd Floor, Room:6, Near Jyoti Cinema,, Kolkata - 700013, West Bengal, India