PROVIDING AND FIXING OF VOLTAGE STABILIZER FOR STAC UNITS, BUTTERFLY DAMPER AND FLEXIBLE SUPPLY AIR DUCT, REPLACEMENT OF FAULTY COMPOUND LIGHT AND GATE LIGHT FITTING AT CANI OFFICE, MANDAVELI, CHENNAI. ( SW:- S/ F OF AL FLEXIBLE DUCT FOR THE EXISTING PRECISION TYPE PAC UNITS @ CLS BLDG