NATIONAL INSTITUTE OF OPEN SCHOOLING
125/1, Assembly Of God Church School, Park Street (Near Mullick Bazar), , Kolkata - 700017, West Bengal, India
191, Elias Road, , Agarpara, , , Kolkata - 700109, West Bengal, India
B/37, Bapuji Nagar, , Kolkata - 700092, West Bengal, India
C/O A P C College, , Kolkata - 700131, West Bengal, India
51/29, DUM Dum Road (Motijheel), , Kolkata - 700074, West Bengal, India
15, Ground Floor, P K Guha Road, , Kolkata - 700028, West Bengal, India