[Class : 37] Building Construction; Building Construction Supervision And Construction Consultancy; Demolition Of Buildings And Site Preparation; Installation Services Including Plumbing, Heating Equipment Installation And Repair, Installation And Repair Of Air Conditioning Apparatus, And Services Of Electricians; Masonry, Plastering, Roofing, And Interior And Exterior Painting; Pipeline Construction And Maintenance; Renovation, Repair And Maintenance Of Buildings; Cleaning Of Buildings (Interior And Exterior) Including Post Construction Cleaning; Rental Of Construction Equipment And Cranes; Scaffolding; Warehouse Construction And Repair, Building Of Roads, Tunnels, Bridges, Overbridges, Power Transmission Network, Airports, Public Transportation Infrastructure, Govt Buildings, Intelligent Traffic Management Systems, Software Installation For Infrastructure Projects, Operations And Maintenance Of Infrastructure, Including Public Parks, Rivers, Lakes