Investment of fund moneys: permitted bank or post office deposits and use for group gratuity schemes, remainder invested as prescribed. Fund moneys contributed or accruing after 31 October 1974 may be deposited in a Post Office Savings Bank account or in current or savings accounts with scheduled banks, or used to make contributions to a Group Gratuity Scheme with an insurer; moneys not so deposited or utilised must be invested in accordance with the prescribed manner for investible moneys, where investible moneys means fund sums not deposited or utilised as permitted.