- 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.

Dismantling shifting of 9 x 7 tr package ac outdoor units ms, fedders lloyed make for making clear position for itc of new 5 x 14 tr hpac outdoor unit ezbc technical bldg, salt lake, ctd

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

Dismantling renovation of ei fans power feeding arrangement to shifted power plantinside switch room under obopoa process ic other allied works at new garia te oa south 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

Re-arrangement of supply air duct and allied work for 3 x 7 tr stulze make hpac units at t.e. bldg. harinavi

Dismantling, shifting and installation two nos. of 2 x 1.5 tr high sensible split a/c units from second floor switch room in main t.e. bldg. aligarh to main t.e. bldg. hathras.