Section 7(7)(a) in The Delhi Electricity Regulatory Commission (Terms and Conditions for Determination of Wheeling Tariff and Retail Supply Tariff) Regulations, 2011
(a)Licensee shall submit proposal for retail sale of electricity for the consumers pertaining to Retail Supply Business, which shall include tariffs for each consumer category, slab-wise and voltage wise. The proposed tariff may also be based on energy charges, demand charges, minimum charges, etc along with the tariff rationalization measures;