LUMEN TELE-SYSTEMS PVT. LTD.
30a, Lake Temple Road, Ground Floor,, Kolkata - 700029, West Bengal, India
Santragachi Sitation Road, G I P Colony Howrah,, Kolkata - 711112, West Bengal, India
11, Goenka Lane, Dhaka Patni,, Kolkata - 700007, West Bengal, India
103, Main Road, Harish Mukhrjee Road,, Kolkata - 7000026, West Bengal, India
42, Shib Talla Street, Barra Bazar,, Kolkata - 700007, West Bengal, India
8, 12 D, Ground Floor, Harrington Mansion, Ho Chi Minh Sarani,, Kolkata - 700071, West Bengal, India