Redeemable Debentures are those which the company undertakes to repay after a specified period. The repayment can be made either in lump sum at maturity or in installments during the company's lifetime. This matches with (II).
Convertible Debentures are debentures that can be converted into equity shares or other securities at the option of either the company or the debenture holder after a specified period. This matches with (III).
Irredeemable Debentures (also called perpetual debentures) are those for which the company does not give any undertaking for repayment. These are repayable only at the time of liquidation of the company. This matches with (I).
Unsecured Debentures (also called naked debentures) are not secured by any charge on the assets of the company. They do not have any specific charge on company assets. This matches with (IV).
The correct matching should be:
- (A) → (II)
- (B) → (III)
- (C) → (I)
- (D) → (IV)