law: State Bank of India Act, 1955
  11. Restriction on voting rights
  
  No shareholder, other than the Reserve Bank, shall be entitled
  
  to exercise voting rights in respect of any shares held by him in excess of ten
  
  per cent, of the issued capital:
  Provided that such shareholder shall be entitled to
  
  exercise voting rights at such higher percentage as the Central Government may,
  
  after consultation with the Reserve Bank, specify.".