Paras Dyes & Chemicals
14/2,2nd Flr,Room No 235-1, Old China Bazar St,, Calcutta Gpo Old China Bazar Street ,Strand Road-BBD Bagh
Kolkata- 700001, West Bengal (India)
Vishnu Corporation
No. 28/2, Shakespeare Sarani, Room No. 301-A, Center Point Building
Kolkata- 700017, West Bengal (India)