(2) For the purposes of this Part," security" means--
any promissory note, debenture, stock or other security of the Central Government or of a State Government;
any bond, debenture, or annuity charged by Act of Parliament 1[ of the United Kingdom] on the revenues of India;
any stock or debenture of, or share in, a company or other incorporated institution;
any debenture or other security for money issued by, or on behalf of, a local authority;
any other security which the 2[ State Government] may, by notification in the Official Gazette, declare to be a security for the purposes of this Part.