Step 1: Understanding Section 133 CrPC.
Section 133 provides for public nuisance proceedings, allowing individuals to approach an Executive Magistrate with complaints affecting the public at large.
Step 2: Nature of proceedings.
Issues such as obstruction of public pathways, unlawful trades, pollution, and public health hazards fall under this provision.
Step 3: Conclusion.
Thus, public interest matters before a Magistrate are filed under Section 133 CrPC.