[Class : 37] Building Construction; Repair; Installation Services. Build, Operate & Maintain Infrastructure Facilities Like Irrigation Works, Barrages, Reservoirs, Canals, Sanitary Works, Transmission Lines, Dams, Roads, Railways, Integrated Townships And It Parks, Tunnels, Culverts, Highways, Bridges, Mining Extraction, Harbor Construction, High Rise Buildings, Industrial Power Projects, Seaports, Pipeline Construction, Boats, Airports, Warehouses, Hospitals, Auditoriums, Stadiums And All Other Civil Related Constructions And Infrastructures. Construction And Development Of Residential Homes, Apartments, Villas, Farm Houses, Shops, Commercial Complexes, Hotels, Multiplexes, Malls, Maintenance Of Shopping Malls, Lands/Property Development And All Other Real Estate Development And Activities.