Tender For providing of custom bid for services - removal of fresh air and return air filters of rmpu,cleaning with air pressure and refitting as required & cleaning of return air,fresh air grills of ac coaches with suitable cleaning agent after each trip at bareilly coac..,custom bid for services - cleaning of 4 nos each condenser and evaporator coils of rmpu with water jet cleaning machine on monthly basis at bareilly coaching depot for a period of 2 years,custom bid for services - removal of fresh air and return air filters of rmpu,cleaning with air pressure and refitting as required & cleaning of return air,fresh air grills of ac coaches with suitable cleaning agent after each trip at dehradun coac..,custom bid for services - cleaning of 4 nos each condenser and evaporator coils of rmpu with water jet cleaning machine on monthly basis at dehradun coaching depot for a period of 2 years,custom bid for services - removal of fresh air and return air filters of rmpu,cleaning with air pressure and refitting as required & cleani