A 4, R. I. C. Block 1, Bonhooghly Industrial Estate, Kolkata, West Bengal - 700108,India
18/3, Gariahat Road, Room-7f/1, Kolkata, West Bengal - 700019,India
Room No. 203 A, South Block, No. 6, Waterloo Street, Kolkata, West Bengal - 700069,India
46-A, Stephen House, 4 B. B. A. Bag, Kolkata, West Bengal - 700001,India