8. In the present case, as referred to above, the maximum period of punishment provided under Section 10 of the Act is three years. That being so, the limitation for the Court to take cognizance of the offence shall be three years, from the date when the commission of offence was known to the person aggrieved i.e. District Town Planner. As referred to above, District Town Planner had informed the police, vide letter dated 8.7.1983 about the alleged offence having been committed by the accused. Police registered the FIR on 8.11.1983. Thereafter, police took more than three years in investigating the case and it was only on 11.11.1986 that the challan was submitted in the court. It was thereafter, that the Court took cognizance of the offence. There is absolutely nothing on the record to show that while submitting the challan, police had explained the delay in any manner, whatsoever. That being the position, in my opinion, the court was not competent to take cognizance of the offence or to serve the notice of accusation upon the accused petitioner. Furthermore, when the accused petitioner moved application before the learned Magistrate for his discharge, on the ground that