[Class : 37] Building Construction; Construction, Installation, Maintenance, Servicing And Repair Services; Repair And Maintenance Of Electrical, Electronic, Lighting, Heating, Cooling, Ventilation, Refrigeration And Air Conditioning Apparatus; Installation, Maintenance And Repair Of Led Lights, Led Bulbs, Tube Lights, Street Lights, Flood Lights, Solar Lights, Lighting Fixtures, Luminaires And Decorative Lighting Systems; Installation, Maintenance And Repair Of Fans Including Ceiling Fans, Bldc Fans, Exhaust Fans, Industrial Fans And Ventilation Systems; Installation, Maintenance And Repair Of Air Conditioners, Air Coolers, Air Purifiers, Humidifiers, Dehumidifiers And Air Treatment Apparatus; Installation, Maintenance And Repair Of Water Heaters, Electric Geysers, Gas Geysers, Boilers, Burners, Solar Water Heaters And Heating Equipment; Installation, Maintenance And Repair Of Refrigerators, Freezers, Deep Freezers, Water Coolers, Beverage Coolers And Refrigeration Equipment; Installation, Maintenance And Repair Of Water Purification And Treatment Apparatus Including Ro, Uv And Uf Water Purifiers, Water Filters, Water Softeners, Water Dispensers And Sterilization Systems; Installation, Maintenance And Repair Of Kitchen Appliances Including Gas Stoves, Induction Cooktops, Ovens, Microwave Ovens, Electric Kettles, Chimneys And Cooker Hoods; Installation And Repair Of Sanitary And Bathroom Fittings Including Taps, Faucets, Showers, Wash Basins, Sinks, Toilets And Urinals; Installation And Maintenance Of Solar Energy Systems, Solar Lighting Systems, Photovoltaic Systems And Solar Thermal Systems; Electrical Wiring, Electrical Installation And Electrical Contracting Services; Installation And Maintenance Of Cctv Systems, Security Systems, Surveillance Equipment, Access Control Systems And Alarm Systems; Installation And Maintenance Of Computer Hardware, Networking Equipment And Communication Systems; Repair And Maintenance Of Consumer Electronics, Home Appliances And Electrical Equipment; Infrastructure Development Services; Construction Supervision; Project Management Relating To Construction, Installation And Maintenance Works; Technical Support Services In The Nature Of Installation, Repair And Maintenance Of Electrical And Electronic Products; Machinery Installation, Maintenance And Repair; Cleaning, Maintenance And Renovation Services Relating To Buildings And Industrial Facilities; Emergency Repair Services; Advisory And Consultancy Services Relating To Installation, Repair And Maintenance; And All Other Services Included In Class 37.