Section 27(5)(a) in Karnataka Electricity Reform Act, 1999
(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 energy during any specified period or the time at which supply is required, or the geographical position of any area , the nature of the supply and the purpose for which the supply is required; or paying capacity of category of consumers and need for cross subsidisation; and