maintenance of 11 kv & lt lines & its related installations including geyser, telephone & intercommunication system, ht, lt & optical fibre cable re-stringing and re-sagging, operation & maintenance of water supply system including water pumps, motors, starters, valves, electrical maintenance of electrical installations of all buildings including two nos. guest house and office buildings which are occupied by purulia pumped storage project site & turga pumped storage project site authority under the control area of purulia pumped storage project, wbsedcl, operation & maintenance of dg set at new guest house, reading / recording of various measurements etc. store and material handling