law: Electricity Act, 2003 
  51. Other businesses
  
  of distribution licensees.- 
  A distribution
  
  licensee may, with prior intimation to the Appropriate Commission, engage in
  
  any other business for optimum utilisation of its assets:
  Provided
  
  that  
  
  a proportion of the revenues derived from such business shall, as may be
  
  specified by the concerned State Commission, be utilised for reducing its
  
  charges for wheeling:
  Provided
  
  further that  
  
  the distribution licensee shall maintain separate accounts for each such
  
  business undertaking to ensure that distribution business neither subsidises in
  
  any way such business undertaking nor encumbers its distribution assets in any
  
  way to support such business:
  Provided
  
  also that  
  
  nothing contained in this section shall apply to a local authority engaged,
  
  before the commencement of this Act, in the business of distribution of
  
  electricity.