34, Arya Samity Road, , Kolkata - 700034, West Bengal, India
158, Block B, , Kolkata - 700089, West Bengal, India
201/1, Nandan Nagar, , Kolkata - 700056, West Bengal, India
Aptech Limited, Chowringhee Mansion, 2nd Floor, 30, Jawaharlal Nehru Road, , Kolkata - 700016, West Bengal, India
, Kolkata - 700052, West Bengal, India