SUPPLY, INSTALLATION, TESTING AND COMMISSIONING OF 1000 KVA TRANSFORMER BY REPLACING OLD 500 KVA TRANSFORMER INCLUDING INSTALLATION OF NEW VACUUM CIRCUIT BREAKER (VCB), POWER CONTROL CENTRE (PCC) PANEL, AUTOMATIC POWER FACTOR CORRECTION (APFC) PANEL AND OTHER ELECTRICAL INSTALLATION ITEMS AT EXISTING SUBSTATION AT HAFED WAREHOUSING COMPLEX, GURUGRAM