- replacement of faulty 2 x 7 tr scroll compressor, other spare parts i/c allied works for hpac plant at 2nd floor cdr edc san network, tape library, network room, saltlake main te bldg., saltlake kolkata (sh-repairing and servicing of hpac plant and other spare parts at 2nd floor san network, tape library, network room, cdr edc, itpc, saltlake main t.e. bldg., saltlake, ctd.

Replacement of faulty 2 x 7 tr scroll compressor, other spare parts ic allied works for hpac plant at 2nd floor, cdr edc server room, saltlake main t.e. bldg., saltlake, kolkata. ph i

Replacement of faulty 2 x 7 tr scroll compressor, other spare parts ic allied works for hpac plant at 2nd floor, cdr edc network, san, tl room, salt lake main te. bldg. salt lake, kolkata

Replacement of 02 nos 5 55 tr scroll compressor at 2nd floor workstation ic replacement of faulty spare parts with allied works at cdr edc saltlake ctd, kolkata ph i

Repairing and renovation of 10 passenger lift no 1 at saltlake main cdr edc saltlake kolkata

Replacement of faulty addressable main fire alarm control panel for existing addressable fire detection system for 3rd floor cdr edc , saltlake , kolkata

Repair of unsv spare parts of 02 nos lifts of in lao - aao bldg at saltlake under ge north kolkata

- sitc of 5 x 14 tr hpac units for 4g nms switch room, 1st floor, ezbc tech. bldg. saltlake, ctd. (sh - supply and fixing of 3 pole 630 amp. mccb with allied works)..

- replacement of faulty door drive i/c door motor, power pack and allied works for 10 passenger lift at cdr edc, saltlake main t.e, ctd..