annual maintenance of different types customized kitchen appliances including all necessary spare parts located at soujanya at alipore, kolkata-700027 under alipore division, pwd ( for a period of one year only ) -1 annual maintenance of 600 ltr. commercial type unicraft make refrigerator, which covers repairing replacement / refurbishment of all necessary parts such as compressor, condenser, evaporator, fan motor, thermostat etc all complete. 2 annual maintenance of 300 ltr. commercial type unicraft make refrigerator, which covers repairing / replacement / refurbishment of all necessary parts such as compressor, condenser, evaporator, fan motor, thermostat etc all complete. 3 annual maintenance of 25 ltr. commercial type jvd make portable refrigerator, which covers repairing / replacement / refurbishment of all necessary parts such as compressor. condenser, evaporator, fan motor, thermostat etc all complete. 4 annual maintenance of 180 ltr. domestic type lg make refrigerator, which covers repairing / replacement / refurbishment of all necessary parts such as compressor, condenser, evaporator, fan motor, thermostat etc all complete. 5 annual maintenance of commercial chimney of unicraft make, which covers repairing / replacement / refurbishment of all necessary parts such as motor, bearings etc. ( 4 services per year ) . 6 microwave ( convection ) deomestic type of morphy richard make which covers repairing / replacement / refurbishment of all necessary parts. 7 microwave ( grill ) commercial type of stella make, which covers repairing / replacement / refurbishment of all necessary parts. 8 dish washer machine of winterhalter make which covers repairing / replacement / refurbishment of all necessary parts. 9 domestic chimney of faber make, which covers repairing / replacement / refurbishment of all necessary parts such as etc. ( 4 services per year ) . 10 domestic glass top two burner hob of prestige make, which covers repairing / replacement / refurbishment of all necessary parts such as motor, bearings etc. ( 2 services per year ) . 11 induction cook top commercial type of unicraft make, which covers repairing / replacement / refurbishment of all necessary parts. 12 toaster commercial type of make, which covers repairing / replacement / refurbishment of all necessary parts.