Stephen House, 1st Floor, R. No. 15/ 1, 4, B. B. D. Bag East, Kolkata, West Bengal - 700001,India
No. 38/1, Nirmal Chandra Street, Kolkata, West Bengal - 700012,India
NH-6, Near Bauria S. E Railway, Shibramchak Panchla, Kolkata, West Bengal - 711322,India