1) if your wife is willing file for divorce by mutual consent
2) if your wife is not wiling you have to fie divorce on any of grounds mentioned in HMA
3)if you file for divorce on grounds of mental cruelty you have to prove the allegations made in divorce petition
4) you can file for divorce in Delhi or in dehradun
5) your wife in her reply can oppose grant of divorce and claim alimony from you
6) she may also file false DV case or dowry harassment case
7) obtain AB in case wife files false dowry harassment case