IPC 101: Section 101 of the Indian Penal Code
When such right extends to causing any harm other than death
If the offence be not of any of the descriptions enumerated in the last preceding section, the right of private defence of the body does not extend to the voluntary causing of death to the assailant, but does extend, under the restrictions mentioned in section 99, to the voluntary causing to the assailant of any harm other than death.