Answer is B is correct. Section 300 states person once convicted or acquitted not to be tried for same offence while such conviction or acquittal remains in force. Therefore option (b) is the correct answer.

Answer is B is correct. As per Section 295 when any application is made to any Court in the course of any inquiry, trial or other proceeding under this Code, and allegations are made therein respecting any public servant, the applicant may give evidence of the facts alleged in the application by affidavit, and the Court may, if it thinks fit, order that evidence relating to such facts so given. Therefore option (b) is the correct answer.

Answer is B is correct. In State of Uttar Pradesh v. Aman Mittal court stated that High Court while exercising jurisdiction under Section 482 cannot interfere in the manner of investigation. Therefore option (b) is the correct answer.

Answer is A is correct. In Hooghly Mills Company Ltd v. State of West Bengal the court held that interlocutory order may be set aside by the High Court while exercising its inherent power under Section 482 of the Code. Therefore option (a) is the correct answer.

Answer is B is correct. As per Section 480 no pleader who practises in the Court of any Magistrate shall sit as a Magistrate in that Court or in any Court within the local jurisdiction of that Court. Therefore option (b) is the correct answer.