Construction of Viaduct Portion of Elevated Corridor, ROBs ( except steel spans ) and Exit/ Entry Ramps, SVUP, LVUPs, VUPs, PUPs, construction/ reconstruction/ widening of Culverts, NHAI Office Building, other miscellaneous works, including electrification & lighting ( except design, supply, fabrication & launching of steel bridge spans, RE Wall, road work, diversion, intersections, utility shifting etc ), in connection with construction of Six Lane Elevated Kona Expressway from Ch. 0. 145 KM to 7. 337 KM of NH 117 in the State of West Bengal on EPC mode