GBC Infrastructure Pvt. Ltd.
No. 176/H/7, Manicktala Main Road, Satin Sen Sarani Kankurgachi, Opposite A.P.C. Clinic
Kolkata- 700054, West Bengal (India)
Porel Dass Water & Effluent Control Pvt. Ltd
24, Belilious Road, Howrah Industrial Cum Commercial Complex, 2nd Floor
Howrah- 711101, West Bengal (India)
Stup Consultants Private Limited
P-11, Darga Road, Park Circus
Kolkata- 700017, West Bengal (India)