Section 75. Prosecution of owner, agent or manaft«r—No proseoution shall ba fnntituted against any owner, agent

75. Prosecution of owner, agent or manaft«r—No proseoution shall ba fnntituted against any owner, agent or manager for any offence under this Ac* except at the instance of the Chief Inspector or of the district magistrate or of tm Inspector authorised in this behalf by general or special order in writing by the Chief Inspector: Provided that in respect of an offence committed in the course of the technical direction and management of a mine, the district magistrate shall not Institute any prosecution against an owner, agent or manager without the previous approval of the Chief Inspector.