Concast Group
No. 21, Hemant Bashu Sarani
Kolkata- 700001, West Bengal (India)
National Commercial Co
No. 15- A, Ramsewak Maullik Lane
Kolkata- 700007, West Bengal (India)
G. Paul & Sons
No. 40- A, Kashi Mitter Ghat Street, Bagh Bazar
Kolkata- 700003, West Bengal (India)