- dismantling of e.i and fans , sac units, fire detection system and dea sets at t.e. bldg roybahadur road. i/c shifting of all dismantling materials to te bldg behala, under oa (south), ctd..

- 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 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.

- extension of manual release and abort switch of gas suppression system, hooter extension of water leakage detection system from 2.5 floor inside switch to entrance of switch room i/c allied works at ezbc technical bldg. salt lake, ctd..

- replacement of faulty 4x 7 tr scroll compressor ,other spare parts i/c allied works for hpac plant at 2nd floor cdr edc server room saltlake main te bldg saltlake kolkata ( sh repairing and servicing of hpac plant and other spare parts at 2nd floor server room, cdr edc, itpc, saltlake main t.e. bldg., saltlake, ctd.

- pdg ei and fans i/c rearrangement of water pipe lines and repairing of 2 x 2 h.p centrifugal pump motor set etc for fci rentout at ezbc, salt lake, ctd

Extension of hooter line from 2.5 floor to gr. floor entrance and s/f of 4.5 kg. co2 type fire extinguishers i/c allied works at ezbc technical bldg. salt lake, ctd

Itc of 3 x 1.5 tr sac units ic power feeding arrangement and allied works at l shaped switch room, 2nd floor for cooling area reduction and shutdown of 4 x 14 tr hpac units ezbc technical bldg saltlake ctd sh itc of sac units

Itc of 3 15 tr sac units ic power feeding arrangement and allied works at l shaped switch room, 2nd floor for cooling area reduction and shutdown of 4 14 tr hpac units ezbc technical bldg saltlake ctd. sh i pdg power feeding arrangement to sac units

Sitc of access control system, cctv surveillance system, rodent repellent system, water leakage detection system for 4g core equipment data centre at 2.5 floor ezbc salt lake kolkata. [sh: - s/f of 50 mtr. hdmi cable and allied works].