Section 2(1)(b) in The Delhi Electricity Regulatory Commission (Terms and Conditions for Determination of Wheeling Tariff and Retail Supply Tariff) Regulations, 2011
(b)"Aggregate Revenue Requirement" or "ARR" means for each Financial Year, the costs pertaining to the Licensed business which are permitted, in accordance with these Regulations, to be recovered from the tariffs and charges determined by the Commission;