29/B, Russa Road South 2nd Lane, , Kolkata, West Bengal- 700033,India
3/ A, B K Bhattacharya Lane, , Kolkata, West Bengal- 700014,India
Behala Shakherbazar Thakupukur Chowrasta Greenfield City Amtala, Kolkata, West Bengal- 700104,India
C/O B B Eye Foundation, 2/5, Ground Floor & 1st Floor & 2nd Floor, Sukhsagar Building, , Kolkata, West Bengal- 700020,India
172, Bidhan Sarani, , Kolkata, West Bengal- 700006,India
10d/1, Ho Chi Minh Sarani,, Kolkata, West Bengal- 700071,India
157, Sarat Bose Road, , Kolkata, West Bengal- 700026,India
Sector 1, Block Bd 172, , Kolkata, West Bengal- 700064,India