1. The interest of the debentures holders is assured by SEBI.
2. Debenture redemption reserve should be at least 75 percent of the issue amount prior to the commencement of the redemption process
3.Call option on debentures allows the issuer to redeem the debentures at a certain price before maturity
4.Put option on debentures allows the issuer to redeem the debentures at a certain price before maturity.