NATIONAL COMPETITIVE BIDDING FOR DESIGN, FABRICATION, TRANSPORATION, SUPPLY, INSTALLATION, TESTING AND COMMISSIONING OF STEEL PONTOONS ALONG WITH FLOATING WALKWAYS FOR PROVIDING FLOATING JETTIES AT FOUR ( 04 ) LOCATIONS ON NW – 1 ( GANGA – BHAGIRATHI – HOOGHLY RIVER SYSTEM FROM HALDIA TO VARANASI ) IN THE STATE OF UTTAR PRADESH.