10, Biplabi Rash Behari Bose Road, Calcutta GPO, Kolkata - 700001
6, B T Maharaja Sarani, Calcutta GPO, Kolkata - 700001
12, Pollock Street, Calcutta GPO, Kolkata - 700001
2, 3RD Floor, Manook Lane, Calcutta GPO, Kolkata - 700001
P 15, Todi Mansion, 5TH Floor, India Exchange Place, Calcutta GPO, Kolkata - 700001
23 A , Fortuna Tower Suite 1 & 4,10th Floor, N S Rd, Calcutta GPO, Kolkata - 700001
7, 2ND Flr, Suite No 203, Mangoe Ln, Calcutta GPO, Kolkata - 700001
6 B, Aloka House, Bentinck Street (B B D Bag), Calcutta GPO, Kolkata - 700001
21, Parsi Church Street, Calcutta GPO, Kolkata - 700001
14/2 Room No 6061, Old China Bazar Street, Calcutta GPO, Kolkata - 700001
67a, Netaji Subhas Road, Calcutta GPO, Kolkata - 700001
67b,Room No 10 & 34, Netaji Subhas Road, Calcutta GPO, Kolkata - 700001
30,GRD FLR Room No 7, Strand RD,, Calcutta GPO, Kolkata - 700001
3A,5TH FLR, Garstin Place, Calcutta GPO, Kolkata - 700001
157, Ground Floor, Shop No 6, Netaji Subhash Road, Calcutta GPO, Kolkata - 700001