| work of (i) supply, installation, testing, commissioning of fully inverter centralized hvac air conditioning system 11 tr-12 hp new technology of energy efficiency to control room along with removal and refixing of split a.c. to 22 kv gis room at 220 kv kamba sub station & (ii) providing and fixing of 1.5 tone split ac for control room gis room, plcc room, charger room and in-charge cabin at various sub station (i.e. 220 kv bapgaon & 100 kv bhiwandi & mumbra sub station) under ehv (o&m) division, kalwa |