NATIONAL INSTITUTE OF OPEN SCHOOLING (REGIONAL CENTRE)
10/1/H, 2nd Floor, Diamond Harbour Road, Alipore, , Kolkata - 700027, West Bengal, India
B T Road, , , Kolkata - 700001, West Bengal, India
P 21a, Old Ballygunge Road, , Kolkata - 700019, West Bengal, India
223/A/5, Dumdum Road, Motijhil, , Kolkata - 700074, West Bengal, India
106/ E, North Road, Narkeldanga, , Kolkata - 700011, West Bengal, India
189, Park Street, , Kolkata - 700017, West Bengal, India