It provides:" (1) Where upon such enquiry as he thinks fit to make, the Superintendent is satisfied that a detenu is guilty of a jail offence, he may award the detenu one or more of the following punishments: (a) confinement in cells for a period not exceeding 14 days (d) cancellation or reduction, for a period not exceeding two months of the privilege of writing and receiving letters or of receiving newspapers an books, (e) cancellation or reduction, for a period not exceeding two months of the privilege of having interviews 747 (2) If any detenu is guilty of a jail offence which by reason of his having frequently committed such A offences or otherwise is in the opinion of the Superintendent not adequately punishable by him under the provisions of sub rule (1), he may forward such detenu to the Court of a Magistrate of the first class having jurisdiction, and such Magistrate shall thereupon inquire into and try the charge so brought against the detenu and upon conviction shall sentence him to imprisonment for a term not exceeding one year: Provided that where the act constituting the offence ' constitutes an offence punishable under the Indian Penal Code with imprisonment for a term exceeding one year, nothing in this rule shall preclude the detenu from being tried and sentenced for such offence in accordance with the provisions of the Indian Penal Code.