Repair and Overhauling Service- REPAIR AND SERVICEABILITY CHECKS OF OLR VIEW MALFUNCTIONING DG LCP; OLR; Yes; Buyer Premises, Repair and Overhauling Service- REPAIR AND SERVICEABILITY CHECKS OF BLOCK OF VOLTAGE ADJUSTER B KH AVR VIEW AVR NOT DEVELOPING THE DESIRED VOLTAGE; VOLTAGE ADJUSTER; Yes; Buyer Premises