law: Electricity Regulatory Commissions Act, 1998 
  51. Amendment of Act 54 of 1948 
  With effect from such date as the Central Government may, by 
  
  notification in the Official Gazette, appoint, sub-section (2) of section 43A of 
  
  the Electricity (Supply) Act, 1948 shall be omitted:
  Provided  that different dates may be appointed for 
  
  different States.