Loan how repayable

The loan, together with all interest due thereon, if any, shall, except as provided in any bond executed by the borrower be repayable by annual instalments for a period of [six] years; Provided that except as specified in the bond executed by the borrower the repayment of instalments and interest shall commence [twenty-four] months after the date of disbursement of the loan. Provided further that the period of repayment of loan in deserving cases may be extended beyond the period of six years without affecting the terms and conditions of loans already advanced in respect of which bonds have been executed.