R.M.O. 1600 KVA Electrical Substation equipment of Bhasha Bhawan, 2 Nos. 1000 KVA and 1 No. 500 KVA Electrical Substation, 8 Nos. Dumb Waiters in two banks (comprising 4 Nos. each bank), 2 Nos. 10 passengers, 2 Nos. 8 Passengers & 1 No. 13 passengers lift at Bhasha Bhawan, National Library Complex, Kolkata during 2026-27. (SH: Providing services for operation & preventive maintenance of DG Set, Pump Set and Fire alarm in Bhasa Bhawan, N.L. Complex, Kolkata)