Rupa International
No. 602 - P, Majumder Road, 2nd Floor
Kolkata- 700078, West Bengal (India)
M/s Graphite & Mineral Products
No. 8, Lyons Range, Ground Floor
Kolkata- 700001, West Bengal (India)
Modern India Con-cast Limited
No. 6/ G, Everest, No. 46/ C Jawharlal Nehru Road
Kolkata- 700071, West Bengal (India)
Sanjay Commercial Co.
234 / 3- A, A. J. C. Bose Road, B-1, 5th Floor, FMC Fourtuna Building
Kolkata- 700020, West Bengal (India)
Tata Steel Limited
Ferro Alloys & Minerals Division 11th Floor Tata Centre,43 Jawaharlal Nehru Road
Kolkata- 700071, West Bengal (India)