1) in Thakur Ram v. State of Bihar, AIR 1966 SC 911, it was contended that only the State being aggrieved party could take all steps necessary and the complainant had no locus standi to file even criminal revision.
2) in Pratap v. State of U.P., (1973) 3 5CC 690, and Hari Bhagwan Bansal v. State of Rajasthan, S.B. Cr. Revision Petition No. 182/19 it has held that private party can draw the attention of the High Court towards an illegal, improper and incorrect findings of the subordinate Courts.
3) n Rathinam v. State, 2000 (1) Crimes 211 (SC), Supreme Court held that power to cancel bail can be exercised under Sub-section (2) of Section 439, Cr.P.C. suo motu or at the instance of State or any aggrieved party.
4) if you are aggrieved by order of magistrate you can file revision application before sessions court