koraput-singapur road doubling project: execution of earth-work in formation, majorbridges works, minor bridges works, p.way related works, supply of ballast, station &service buildings works, platforms works, foot over bridges works and other allied worksfrom km 33.50 to km 61.17 in baiguda- lakshmipur road section in connection withdoubling of existing single line track in koraput-singapur road line of waltair division of eastcoast railway.bidding type two stage reverse auction .