“Design, Manufacture/ Fabrication, Testing, Inspection & Supply of Fabricated Gate Valves along with spares, fasteners & all other necessary auxiliaries on F. O. R Bokaro Steel Plant site basis”in accordance with Technical Specification no. T. S. No.- MEC/ S/ E254/ A/ 10/ C1/ 0622 Part- V, required for rebuilding of Coke Oven Battery no. 6 at SAIL, Bokaro Steel Limited, Bokaro, Jharkhand.