431 Ditto .. Ditto .. 1[Not Mischief by injury to public road, bridge, navigable river, or navigable channel, and rendering it im ­ passable or less safe for travel ling or conveying property. Ditto .. Ditto .. Ditto . 432 Mischief by causing inundation or obstruction to public drain ­ age, attended with damage. Ditto .. Ditto .. Ditto .. Ditto .. Ditto .. Ditto . 433 Mischief by destroying or moving or rendering less useful a lighthouse or sea‑mark, or by exhibiting false lights. Ditto .. Ditto .. Ditto .. Ditto .. Imprisonment Court of of either Session. description for 7 years, or fine, or both. 434 Mischief by destroying or moving, etc, a land­mark fixed by public autho rity. Shall not arrest without warrant. Ditto .. Ditto .. Ditto .. Imprisonment of either description for 1 year, or fine, or both. compoundable.] 1 Subs. by the Code of Criminal Procedure (Amdt.) Act, 1923 (18 of 1923), s. 159, for the original entry.  2 The words "Presidency Magistrate" and by implication the word "or" omitted by A.O., 1949, Sch.  Page 268 of 319 2* * * Magistrate of the first or second class.