Indian Penal Code, 1860
Chapter IV - General Exceptions of the Right of Private Defence
IPC Section 101
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.