Enhancement of punishment for certain offences after previous conviction under Indian Penal Code is defined under Section 75 of Indian Penal Code 1860. Provisions under section 75 in the Act are:
Section 75 of Indian Penal Code. "Enhanced punishment for certain offences under Chapter XII or Chapter XVII after previous conviction"
Whoever, having been convicted,-
(a) by a court in [India], of an offence punishable under Chapter XII or Chapter XVII of this Code with imprisonment of either description for a term of three years or upwards,
shall be guilty of any offence punishable under either of those Chapters with like imprisonment for the like term, shall be subject for every such subsequent offence to [imprisonment for life], or to imprisonment of either description for a term which may extend to ten years.]