Proposal for maintenance of split/ Window type Air conditioner, water cooler, refrigerator Inverter, UPS and Solar Heater including repairing, replacement of related spares and painting of body parts by spray machine to keep the machine in running condition for successful commissioning and operation of the equipment at NJP Construction offices & ORH, Kalighat and Bhabanipur ( Kolkata ), Khelgaon ( Delhi ), Gangtok and Darjeeling for the period of two ( 02 ) years in connection with Sevok- Rangpo ( NL ) Project.