How to fight againt false 498 case

Respected Sir, mere bade bhai ki sadi 07/02/2015 ko hui thi. 2 se 3 months sb teek chala but jb wo first festiwal me maiyke gyi to maiye walo ke samjhane pr mere bde bhai se kehne lgi ki ager muje lekr alg dusre gher me rahogi to aaugui nhi to nhi. Aur 9 months tk waps nhi aai pehla krwa choth ka me bhi nhi jb mere bhai ne mna kr diya to 01/05/2016 ko wo apne aap apni family ke sath aa gyi aur mafi magi ki ab sath rahegi,hm logo ne bina kuch ppr work k unhe rkh liye.but 11/06/2016 ko brother ki wife ne fr se bhai pr alg rehne ka dabav banaya aur aur bhai ke mna krne pr ldne lgi,aur false dahej ke case me fasane ko keh kr door bnd kr liya aur gher walo ko phone kr diya,12/06/2016 ko subh 7 bje uske gher wale 20 se 25 logo ko police lekr gher aa gye aur mar peet ka dahej ka jhoota aarop lgane lge. aur thane pahuc gye jb mere bhai ne un logo ko smjhaya to is bat pr smjaute ko raji hue ki meri beti ko lekr alg raho.aur samjauta ho gya.mere bhai ne rent pr room le liya aur dobara aane ko phone kiya to usne kaha ki rent me nhi jo dusra gher khali pada h waha rahege jispr bhai ne kaha ki papa pna koi home nhi dege. Tb se meri bhai ki waife hm logo ko dahej aur mar peet ke case pe fasane ko keh rhi h..please help me