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 instalments, 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: