1. Redeemable Debentures:
The debentures which are to be redeemed within a specified period as per the terms of their issue.
2. Non – Redeemable debentures:
These are not redeemed at a specified period. Their redemption is not certain. Such debentures holder can’t ask for a refund of capital except for the case when the number makes any default in payment of interest on these debentures or these are paid only in case of winding up of the company.