MOEI & fans, Sub- Station, Pump Motor Set, Lifts and Wet Riser System in Office cum lab building for GSI at Sector- II, Salt Lake, Karunamoyee, Kolkata- 700091, during 2024- 25. ( SH: Comprehensive Maintenance of M/ s. KONE make 6 Nos. Passenger Lifts and 2 Nos. Goods Lift in 10 and 12 Storied Building and Bharat Bijlee make passenger lift in 11 storied building, Central Block Lift No. 8089, 8090, 8091 )