Section 13 BNS — Act done by a person bound, or by mistake of fact believing himself bound, by law

13.Whoever, having been convicted by a Court in India, of an offence punishable under Chapter X or Chapter XVII of this Sanhita 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.