Section 26(5)(a) in The M.P. Vidyut Sudhar Adhiniyam, 2000
(a)shall not show undue preference to any consumer of electricity, but may differentiate according to the consumer's load factor power factor, and total consumption of electricity during any specified period or the time at which supply is required or the geographical position of any area, the nature of supply and the purpose for which the supply is required or paying capacity of category of customers and need for cross subsidisation.