DTH, SERVICES,to charge AMC

DTH, SERVICES,to charge AMC are fair,entire system is given on rent,owner ship is of dth provider,how they  say warranty of stb is of a year only.how one can pass on warranty to retal occupier,how dth provider raise sub. without giving  detail bill.dth provider not follow rules of trai,why this behaviour is over looked.preset working style have no business atheics.....pl.guid me where to apply for   thanks    MUKUND