P1, Beside Ongc Webel Bhavan, Taratala Road, New Alipur, Kolkata, West Bengal - 700053,India
B D - 11, Salt Lake City, Sector - 1, 1st Floor, Member Public Relation Society Of India, Kolkata, West Bengal - 700064,India
No. 1/7, Ashoke Nagar, Kolkata, West Bengal - 700040,India
P-I Taratala Road, Beside Brace Bridge & ONGC, WEBEL HRDC, Kolkata, West Bengal - 700088,India