201/1, Nandan Nagar, , Kolkata - 700056, West Bengal, India
P 148 Block B, , Kolkata - 700089, West Bengal, India
Aptech Limited, Chowringhee Mansion, 2nd Floor, 30, Jawaharlal Nehru Road, , Kolkata - 700016, West Bengal, India
A L 8, Salt Lake, , Kolkata - 700091, West Bengal, India
230/B , 3rd Floor, A J C Bose Road, , Kolkata - 700020, West Bengal, India