Titanic Engineering Concern
4/3/7/5, Kedarnath Bhattacharya Lane, Santragachi Santragachi
Howrah- 711104, West Bengal (India)
GPL Steelinvest Pvt. Ltd.
18/1, MD Road, 6th Floor
Kolkata- 700007, West Bengal (India)
Bombay Steel Tube Co.
N.o.95, N. S. Road, Near Brabourne Road Bridge
Kolkata- 700001, West Bengal (India)