Room No. 50, 50/A At Y319 & Y320, HS Market 1st Floor, KB Road, Kolkata, West Bengal - 700018,India
No. 69, Ganesh Chandra Avenue, India House, 7th Floor, Block- C, Kolkata, West Bengal - 700013,India
No. E-2-2/2, Block-EP Salt Lake, Electronics Complex, Kolkata, West Bengal - 700015,India