P-16, Sahitya Parishad Street,, Kolkata - 700006, West Bengal, India
10/8, Siddhinath Chatterjee Road, Behala,, Kolkata - 700034, West Bengal, India
No. 3, Onrait, 2nd Lane, Entaly,, Kolkata - 700014, West Bengal, India
11, Clive Row, 3rd Floor, Room-5,, Kolkata - 700001, West Bengal, India
'technomech House', Plot No-8, Ashokgarh, Dunlop Bridge,, Kolkata - 700108, West Bengal, India