Replacing the damaged false ceiling and thorough repairing the room no-10 and putting tiles in floor ,painting the area in ground floor of palit building at raja bazar science college campus.

Comprehensive annual maintenance with servicing of the water cooled air conditioning plant units 2nos at centenary building, college street campus, cu, for 1 year.

Comprehensive annual maintenance contract with spares of the water cooler cum purifier machines 6nos., water purifier machines 7nos. and ro water purifier 1no installed at different hostels under rajabazar science college campus, cu, for 3 year

Prive annual maintenance contract with minor spare parts of the audio-video conference system at senate and syndicate, college street campus, cu for 1 year.

Comprehensive annual maintenance contract of the water cooler cum purifier machines 14nos., water purifier machines 16nos. and ro water purifier 4nos installed at different building at rajabazar science college campus, cu, for 3 years.

Comprehensive annual maintenance contract with spares, without compressor of the room air conditioner machines and split type 305nos. installed in different buildings at rajabazar science college campus, cu, for 3 years.

Comprehensive annual maintenance contract with spares, without compressor of the room air conditioner machines and split type 84nos. installed at ifs haringhata campus, department of radiophysics and electronics, cu, for 3 years.

Sitc of air conditioner machine split type 1.5tr,inverter type with remote controller to be installed in the hod room,seminar room of pure mathematics department,7th floor,western wing, ballygunge science college, c.u.

Electrical renovation work in the 3rd year classroom, 2nd floor, department of chemical engineering, rajabazar science college campus, cu.

Supplying, installation and commissioning of new ro plus uv water cooler cum purifier machines -4nos- in the in the old building at carmichael hall, ug and pg, 51, baithakkhana road, kol-09.