Explanation:

Sections 29 and 30 of Code of Criminal Procedure
29. Sentences which Magistrates may pass.—(1) The Court of a Chief Judicial Magistrate may pass any sentence authorised by law except a sentence of death or of imprisonment for life or of imprisonment for a term exceeding seven years. (2) The Court of a Magistrate of the first class may pass a sentence of imprisonment for a term not exceeding three years, or of fine not exceeding 1 [ten thousand rupees], or of both. (3) The Court of Magistrate of the second class may pass a sentence of imprisonment for a term not exceeding one year, or of fine not exceeding 2 [five thousand rupees], or of both. (4) The Court of a Chief Metropolitan Magistrate shall have the powers of the Court of a Chief Judicial Magistrate and that of a Metropolitan Magistrate, the powers of the Court of a Magistrate of the first class. 30. Sentence of imprisonment in default of fine.—(1) The Court of a Magistrate may award such term of imprisonment in default of payment of fine as is authorised by law: Provided that the term— (a) is not in excess of the powers of the Magistrate under section 29; (b) shall not, where imprisonment has been awarded as part of the substantive sentence, exceed one-fourth of the term of imprisonment which the Magistrate is competent to inflict as punishment for the offence otherwise than as imprisonment in default of payment of the fine. (2) The imprisonment awarded under this section may be in addition to a substantive sentence of imprisonment for the maximum term awardable by the Magistrate under section 29.