Operation and Maintenance of 2 x 7.5 Tr. capacity air cooled A.C. Plant, 32000 c.f.m capacity forced ventilation system i/c window/split air conditioner and operation all VRF type AC units, AMC of AC system at Animation Building, CRT, Audiography, Film Studio, Small Studio, Editing Block, Academic block, Bry-Air dehumidifier at SRFTI, Kolkata. SH : Comprehensive Annual Maintenance for VRF air conditioning system (Voltas make) installed in Big Film Studio, CRT building and Sound department at S (投標 №108590069cn)