1)you can file forcdivorce on grounds of mental cruelty and desertion
2) if wife files RCR case both would be clubbed together
3) you cannot be forced to stay with your wife
4) before filing for divorce call upon your wife ti return to her matrimonial home . If she refuses then file for divorce
5) you have to make out a case that inspite of repeated requests wife has refused to return to her matrimonial home