Dwarka Dass Chemical Company Private Limited
No. 11, Amartolla Street, Ground Floor
Kolkata- 700001, West Bengal (India)
Orient Pharmaceutical Laboratories
No. 261, M. M. Ghosh Road
Kolkata- 700074, West Bengal (India)
B.D. Enterprise
No. 71, Biplabi Rash Behari Basu Road, Bagree Market Meheta Building, 1st Floor, H Block
Kolkata- 700001, West Bengal (India)