 Next, a two-stage competitive bidding process of Request for Qualification (RFQ) and Request for Proposal (RFP) was set into motion for privatization of the distribution companies.The bidders were selected on the basis of reduction of total Aggregate Technical and Commercial of losses (AT & C) a unique feature of the power sector reforms in Delhi.The bidders were required to bid on the basis of efficiency improvement like reduction of AT & C losses that they achieve year wise over a period of five years.