Package A Unit 3 and Package B Unit 4 for Erection of Piping and associated equipment that includes Handling, transportation, fabrication, assembly, erection, welding, NDT, inspection and testing of piping and erection of associated equipment along with accessories, structures, insulation for Nuclear and Nuclear auxiliary systems in reactor auxiliary buildings, safety system building, solid radioactive waste reprocessing and storage building and new fuel storage building at 2x 1000 MWe Kudankulam Nuclear Power Project.