SIS House, Du Market, 1st Floor, Room No. 121-140, Bankra Main Road Bankra Bazar, Howrah, Kolkata, West Bengal - 711403,India
No. 6 B, Keyatala Road, 3rd Floor, Kolkata, West Bengal - ,India
No. 18, R.N. Mukherjee Road, 8th Floor, Kolkata, West Bengal - 700001,India
D- 35, Industrial Area, Kalyani, Kolkata, West Bengal - 741235,India
No. 43, Kailash Bose Street, Kolkata, West Bengal - 700006,India