“CONSTRUCTION OF 4 LANE BRIDGE (2X12.5m WIDE TWIN TWO LANE STRUCTURE OVER RIVER GANGA DOWN STREAM OF FARAKKA BARRAGE INCLUDING APPROACHES CONNECTING FARAKKA DESIGN CHAINAGE 0.00KM to 296.805km) (DESIGN RAIGANJ SECTION OF NH-34 FROM KM 290.940 CHAINAGE 5.486km) IN THE STATE WEST BENGAL”