civil & ohe work: earthwork in formation, extension of minor bridges, supply of p way materials, laying and linking of track, construction of service buildings, retaining walls,drains and allied works, design ,drawing, supply, erection, testing and commissioning of 25kv (ac) ohe system, provision of scada system & electrical general works including illumination of yard/buildings/pathway by high mast in connection with provisioning of long haul at r & d yard and providing facility of load adjustment at r & d yard, brajrajnagar leg and lajkura leg of mcl y-curve siding between brajrajnagar & lajkura station of secr. (package-ii)