SIS House, Du Market, 1st Floor, Room No. 121-140, Bankra Main Road Bankra Bazar, Howrah, Kolkata, West Bengal - 711403,India
No. P-11, Chitpur Spur, Kolkata, West Bengal - 700006,India
265, Roy Bahadur Road, Beside Chattra Sangha Club, Chanditala, Kolkata, West Bengal - 700053,India