KOTTAYAM: The police Tuesday filed a charge sheet against Jalandhar Bishop Franco Mulakkal related to the sexual abuse of a nun. The charge sheet was filed before the judicial first class magistrate court in Pala this afternoon. The probe led by investigation officer Vaikkom DySP K Subhash submitted the charge sheet in the court. There are a total 83 witnesses in the cases. As many as 25 nuns and 11 priests are also among the witnesses. Franco faces charges under sections 342, 376(2)(K), 376(2)(N), 376 (c)(a), 377, 506(1) of Indian Penal Code. If the charges are proved, the bishop faces a life imprisonment or a minimum imprisonment of not less than ten years.