Section 7(4)(b) in The State Financial Corporations Act, 1951
(b)repayable on the expiry of a fixed period not exceeding eighteen months from the date on which the money is so borrowed, against securities of the Central Government or of any State Government of the maturity, or subject to the previous approval of the State Government, against bonds and debentures issued by the Financial Corporation and maturing within a period not exceeding eighteen months from the date on which the money is so borrowed and every such bond and debenture shall be guaranteed by the State Government: