Moei fans i/c rmo water pump, sub-station, automatic fire alarm system i/c stair case light in residential building and non-residential building, national library i/c security light, boundary light e.i. service of service building in national library campus, kolkata during 2025-26. r.m.o. of central packaged type ac plant, wtac, split type ac water coolers and water softening/iron removal, filtration plant at national library, kolkata during the year 2025-26. (sh: providing services for day to day maintenance of ei in residential, old annexe, new annexe, belvedere building, all external electrical installation, operation of pump sets and assistance of wc staff in operation of ac plant operation of 2 nos. passenger lift.)

A/r m/o for income tax residential complex at purna das road, kolkata during 2024-25 (external service) sh:- day to day operation and maintenance of iron removal filtration plant (double deck) capacity 32 cum/hr.

Up gradation to non-residential building of goi press and form store at 1 temple street and 166 lenin sarani, kolkata during 2024-25. sh: repairs and renovation of ground floor form store building.

A/r m/o gpra (g plus 12) storied in one ms block at 7, marlin park, kolkata during 2024-2025. sh: day to day maintenance and operation of iron removal filtration plant water softening plant of 45 cum per hour.

A/r m/o to residential complex at cbi housing complex, salt lake, kolkata during 2025-26. sh: day to day operation and maintenance of water softening plant with accessories capacity 7000 gph and 56000 gallons/regeneration and iron removal filtration plant capacity 7000 gph during 2024-25 (balance period) 2025-26 (phase-i).

Ar and mo to residential complex at cbi housing complex salt lake kolkata during 2025-26 sh day to day operation and maintenance of water softening plant with accessories capacity 7000 gph and 56000 gallons regeneration and iron removal filtration plant capacity 7000 gph during 2024-25 balance period and 2025-26 phase i

A/r m/o of 180 nos. residential quarters building for aayakar abasan at shantipally, kasba, e.m. bypass, kolkata during the year 2024-2025. sh: day to day operation and maintenance of iron removal filtration plant 30 cum/hour and valve operation for water supply for the residential quarters.

Upgradation to non-residential building at 166, lenin sarani goi press and 1no. temple street, kolkata during 2024-25.sh: outside and inside repair and plaster, painting, synthetic enamel paint, collapsible gate, kota stone, wall tiles, disposal of building rubbish and other miscellaneous works.

A/r m/o gst bhawan building at shantipally, kasba, e.m. bye pass, kolkata during 2024-2025. sh: day to day operation maintenance of iron removal filtration plant of 30cum/hour and valve operation for water supply to the office building.

A/r m/o of 318, residential quarter of customs central excise department at shantipally, kasba, e.m. bye pass, kolkata during 2024-2025. sh: day to day operation maintenance of iron removal filtration plant of 30cum /hour and valve operation for water supply to the residential quarters.