R.m.o. 3 x 500 tr capacity a.c. plant at bhasha bhawan, national library complex, kolkata (operation and comprehensive maintenance of ac plant) (sh- operation comprehensive maintenance of 3 x 500 tr chilled water central a.c. plant including its associated ahus, grills diffusers etc. at bhasa bhawan, n.l. complex, kolkata.

3 x 500 tr capacity a.c. plant at bhasha bhawan, national library complex, kolkata. (operation and comprehensive maintenance of ac plant) during 2025-26. (sh: operation comprehensive maintenance of 3 x 500 tr chilled water central a.c. plant including its associated ahus, grills diffusers etc. at bhasa bhawan, n.l. complex, kolkata.)

R.m.o. of wet riser and sprinkler system, automatic fire alarm system and 1 no. 500 kva dg i/c both the amf panel at bhasa bhawan and old annex building at national library complex, kolkata during 2024-25. (sh: providing services for day to day maintenance and operation of fire alarm, fire fighting system and dg sets for bhasa bhawan, n.l. complex, kolkata.)

R.m.o. 1600 kva electrical substation equipments of bhasha bhawan, 2 nos. 1000 kva and 1 no. 500 kva electrical substation, 8 nos. dumb waiters in two banks (comprising 4 nos. each bank), 2 nos. 10 passengers, 2 nos. 8 passengers 1 no. 13 passengers lift at bhasha bhawan, national library complex, kolkata during 2025-26. (sh: providing services for operation prive maintenance of sub-station equipments and passenger lifts installed in bhasa bhawan, n.l. complex, kolkata.)

R.m.o. 1600 kva electrical substation equipments of bhasha bhawan, 2 nos. 1000 kva and 1 no. 500 kva electrical substation, 8 nos. dumb waiters in two banks (comprising 4 nos. each bank), 2 nos. 10 passengers, 2 nos. 8 passengers 1 no. 13 passengers lift at bhasha bhawan, national library complex, kolkata during 2025-26. (sh: providing services for operation prive maintenance of sub-station equipments and passenger lifts installed in bhasa bhawan, n.l. complex, kolkata.)

R.m.o. 1600 kva electrical substation equipments of bhasha bhawan, 2 nos. 1000 kva and 1 no. 500 kva electrical substation, 8 nos. dumb waiters in two banks (comprising 4 nos. each bank), 2 nos. 10 passengers, 2 nos. 8 passengers 1 no. 13 passengers lift at bhasha bhawan, national library complex, kolkata during 2025-26. (sh: providing services for operation prive maintenance of sub-station equipments and passenger lifts installed in bhasa bhawan, n.l. complex, kolkata.)

R.m.o. 1600 kva electrical substation equipments of bhasha bhawan, 2 nos. 1000 kva and 1 no. 500 kva electrical substation, 8 nos. dumb waiters in two banks (comprising 4 nos. each bank), 2 nos. 10 passengers, 2 nos. 8 passengers 1 no. 13 passengers lift at bhasha bhawan, national library complex, kolkata during 2025-26. (sh: providing services for operation prive maintenance of sub-station equipments and passenger lifts installed in bhasa bhawan, n.l. complex, kolkata.)

R.m.o. 1600 kva electrical substation equipments of bhasha bhawan, 2 nos. 1000 kva and 1 no. 500 kva electrical substation, 8 nos. dumb waiters in two banks (comprising 4 nos. each bank), 2 nos. 10 passengers, 2 nos. 8 passengers 1 no. 13 passengers lift at bhasha bhawan, national library complex, kolkata. (sh: providing services for operation prive maintenance of substation equipments and passenger lifts installed in bhasha bhawan, n.l. complex, kolkata.)

O and m of 2 x 7.5 tr. capacity air cooled a.c. plant 32k cfm capacity forced ventilation system including split air conditioners and operation of 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 o and m of 2 x 7.5 tr. capacity air cooled ac plant 32k cfm capacity forced ventilation system including split air conditioners and operation of all vrf type a

Rmo of sound reinforcement system audio visual system, stage light system i/c its all accessories and auditorium light in auditorium green room light etc. and also operation and maintenance of digital conerence system, audio visual system in conference room at bhasha bhawan, national lilbrary complex, kolkata during 2024-25 (sh: providing pc, hdmi extender with cable etc. at auditorium of bhasha bhawan, n.l. complex, kolkata).