AT&C loss reduction is one of the key elements in UDAY’s strategy for making DISCOMs financially viable. Energy auditing forms an integral part of AT&C loss reduction as it helps with the identification of areas plagued with leakage and wastage of electricity in a DISCOM’s jurisdiction. The prerequisite for an effective energy audit is the availability of accurate and reliable data for energy input at the feeder and energy received at the consumer end. The study focussed on specific and dependable data collection by ensuring complete metering at both the supplier and consumer’s end, along with accurate tagging of feeders, transformers and consumers.