Sec125&498a

I was married in 2009 & my daughter born in 2011.everything was fine.in 2019 i came to know my wife is lesbian.in her school she had a relation with one of her classmate and she is girl.in 2008 that girl went somewhere for her studies and she return back in 2019 and From then my wife Again fall in that relation.i have sufficient document to prove that.i tried hard to convince her not to do all this thing.but when i saw that situationis going worst i approach my in laws and told them to convince her but they didnot do that.then i took my wife for councelling there she told she cannot leave this relation.i have conversation recording.when she saw that i am not allowing her to keep this relation and everything is going to known to everyone.she and her family filed false 498a on october 2020 against me my mother and my sister who is staying far away and left my home with my daughter and went to her mother house.charge sheet is not su mitted by IO and my record is missing from court.on january2021 she filed 125crpc.How can i stop giving maintenance or maximun how much i will have to pay maintenance.every month i am paying my daughter school,bus,tution,and other fees online. How to proceed with this case.and i want to teach her a lesson.