If the wife is not ready for mutual divorce you can go for one sided divorce on cruelity basis. It will be filed under section 13 l i(a)of Hindu Marriage Act. Also there are various other basis in Hindu Marriage Act that you can opt for filing of one sided divorce.
So in case of divorce by mutual consent, it usually takes 18-24 months. In case of a contested divorce, the period is longer, ranging from three to five years because of complications and possibility that either party can challenge the decision in the High Court and Supreme Court.
The truth is that if one person wants a divorce, it can happen. … The court needs to agree to grant the divorce, not the other person in the marriage. As long as the necessary financial and legal issues get resolved, the divorce can be completed with one person never agreeing to it.
If she is not ready for a mutual consent divorce and its even not possible for you to continue anymore, then you can file a petition for Divorce in the Court and you will have to contest the same in the Court. There are two ways of getting a divorce in the Hindu Marriage Act.
Reference: Hindu Marriage Act