A Government security may, subject to such terms and conditions as may be specified, be in such forms as may be prescribed or in one of the following forms, namely:-
(i) a Government promissory note payable to or to the order of a certain person; or
(ii) a bearer bond payable to bearer; or
(iii) a stock; or
(iv) a bond held in a bond ledger account.
(i) registered in the books of the Bank for which a stock certificate is issued; or
(ii) held at the credit of the holder in the subsidiary general ledger account including the constituents subsidiary general ledger account maintained in the books of the Bank,