1. If your marriage is older for more than a year then it would be advisable that you file a contested divorce case on the grounds of cruelty citing that her refusal to cohabit or sexual relationship is one of the grounds of cruelty besides other grounds whatever you may rely upon and have been pleaded in your divorce petition.
2. You should have filed the annulment case within one year from the date of marriage or from the date of such knowledge.
3. If you are aggrieved by her attitude or behavior with you, then it is you have to seek the relief and not she.
She will remain silent as usual causing more and more grievances to you, hence you only have to initiate actions to get proper remedy to such injuries.
4. The time taken for disposal of a matrimonial dispute by court cannot be predicted owing to various factors involved in it, besides it is pertinent that you may have to be present before family court on all the dates of hearing or represented through your power of attorney agent.
The impotency is to be proved by the party who relies upon it as a primary reason, before court by medical evidences;
The divorce by mutual consent may get disposed within 6 months from the date of instituting the divorce case.