law: Export-Import Bank of India Act, 1981
  Chapter V: Resources
  
  of the Exim Bank
  11. Loans by Central
  
  Government.-
  The Central Government may, after due
  
  appropriation made by Parliament by law in this behalf, advance to the Exim
  
  Bank—
  a.  
  
    a
  
  loan of twenty crores of rupees at a rate of interest of five and a quarter per
  
  cent. per annum repayable in fifteen equal annual installments, commencing on
  
  the expiry of a period of fifteen years from the date of receipt of the loan;
  
  and
  b.  
  
    such
  
  further sums of money by way of loan on such terms and conditions as may be
  
  agreed upon:
  Provided that the Central Government may, on
  
  a request being made to it by the Exim Bank, increase the number of
  
  installments or alter the amount of any installment or vary the date on which
  
  any installment is payable under clause (a).