Day to day operation of 3 x 50 tr water cooled ac plant for nandan-i and ii hall, (2 x 11) and 7.5 tr water cooled package ac for nandan -iii and 2 x 5.5 tr water cooled package ac for library room at nandan arts and film theatre,kolkata.

Annual maintenance of electrical installation of new secretariat building and attached sub-station (round the clock for the period of one year )

Annual comprehensive maintenance and servicing of 340tr chilled water-cooled central ac plant for main building of honble high court, calcutta

Up-gradation and renovation of boi ghar under paschim banga bangla academy building kolkata--700020------- arrangement of fire detection system.

Day to day operation of 340tr water cooled central air conditioning plant installed at main building, of honble high court, calcutta.

Supply, installation, testing and commissioning of elevator at gokhale memorial girls college

Arrangement for providing lift attendant for 3 nos (g plus 8) storied and 2 nos (g plus 5) storied lifts installed at city civil court, calcutta

Arrangement of air conditioner machines at statement section, one chamber inside strong room of recruitment cell and server room at block-b of new secretariat building, kolkata.

Renovation to electrical installation work, arrangement of air-conditioning system and allied works at additional space newly allotted to the high court cases monitoring cell (sarthac) at 2nd floor of protocol building of high court, calcutta.

Arrangement of air-conditioning system in the room no 5 and 6 of the office of the directorate of textiles (handloom etc.) at 7th floor, a block of new secretariat building, kolkata.