BPA ONA HPA Projects
No. 40, Strand Road, First Floor, Room No. 14 & 15
Kolkata- 700001, West Bengal (India)
B.S. Enterprise
BG-07, Sector-2, Salt Lake City
Kolkata- 700091, West Bengal (India)
Mcnally Bharat Engg Co Limited
4 Mangoe Lane 7Th Floor
Kolkata- 700001, West Bengal (India)