protest petition

my brother doing  stock broking bussiness, one of the client  sustained losses during the bussiness , he come to my brothers house at the time my brother not at home, after 2 hours my brother came to his house, that client used filth language, and beatean with hands, my brother got injury, my brother given a call to me, we went to the house of my brother, to stop the beating, we given information to local police station. and we given writern complaint  about the incident, police were booked FIR u/s 147,149,442, and the same day the oposited party also given complaint  police were booked FIR u//s 147,149,324,342, against me,  after investigation police were file charge sheet in JMFC Metpally court, against my brother and me, police were taken bribe from oposite party, they closed case on the ground  false complaint,  in this connection how can open protest petition, in local court,

in this case the oposite party resident on other village, he came to brothers house a long with seven other persons , it atempts house treaspass, and the oposite party injures my brother, how these case false, hence we request give me your valuable sugesstion .