If you are ready to fight your case; you have to collect all the supporting clues/proofs of her harassment.
write it down in clear text, submit it to police/mediation cell whenever they require and get it signed by them as they received it. it will always help in future fight.
Audio/video proofs always help
try to tape if they call
voice record secretly whenever you meet her/her people/women cell/police dialogues as they alway try to force you to admit for her demands.
read about dowry law/ipc/crpc here http://mynation.net/laws/
and judgments http://mynation.net/docs/sitemap/ to fight maintenance / divorce etc which you can use as citations.
and ask us if you any doubt.
we are always here alive online.
BE BRAVE – we are with you.