89 U .B Colony, Pwd Road, Dunlop, ISI, , Kolkata, West Bengal- 700108,India
B C 82, Sector 1, Salt Lake City, , Kolkata, West Bengal- 700064,India
Bc 40/B, , Kolkata, West Bengal- 700064,India
B H 15, Sector 2, Salt Lake City, , Kolkata, West Bengal- 700064,India
Bh 198, Sector 2, Salt Lake City, , Kolkata, West Bengal- 700091,India
Purbapara, Laskarpur, , Kolkata, West Bengal- 700153,India
C/O Optaid Eye Care, Block D, P40/A, , Kolkata, West Bengal- 700055,India
15/4, Rahim Ostagar Road, , Kolkata, West Bengal- 700045,India