Fraud 498a & dv

Sir,meri bhabhi ne false 498a & dv ka fraud case file kiya hai aur iski wajha hai ladki ka bhai... sir baarat wali raat ko ladki walo ne kaalesh,gaali galoj kiya tha jewellery nahi laane paar fir shadhi ke 2 months ke bad ladki ke chote bhai ne phone pe gaaliyan di hum thane gaye case karne but police ne ye kha ki case tab file hota h jab koi maar jata h uske baad laagatar ladki ke ghar walo ki traf se gaaliyan ayi fir mamla hai 2july ka jab ladki ka bada bhai hamare ghar aya or gaali me khada ho kar galliyan dene laga toh mere chote bhai ki or uski fight ho gayi or ladki ne fraud case file kar diya ki mujhse dhaaej mangte hai balki ladki ki shadi ka kharcha bhe humne hi pay kiya tha avidance bhe h hamare pass video reording hui the baarat wali raat ki but abhi videographer evidence ke liyae paiso ki demand kr raha hai please sir suggest me right way to fight this false 498a case please help me sir