SONAR BANGLA BIJNAN SANCHAR GABESANA SAMITY
Sampriti, Flat No. S006, 349, Tentulberia Road, P.O. Garia, , Kolkata - 700084, West Bengal, India
Main Road, , , Kolkata - 700001, West Bengal, India
1/74, N S C Bose Road, , Kolkata - 700047, West Bengal, India
26, Prince Anwar Shah Road, , Kolkata - 700033, West Bengal, India
119, Kanungo Park, , Kolkata - 700084, West Bengal, India
Dalhousie, , Kolkata - 700001, West Bengal, India