You have to come to india two times to present before the court, First time at the time of filing mutual consent divorce, second time at the time of evidence and Judgement. The rest of the hearings your power of attorney will look after.
The condition for divorce are (1) By the time of filing mutual consent divorce, there should be one year separation and (2) After filing the mutual consent divorce petition you have to wait another 6 months more, i.e. after 6 months only you will get divorce.
If you have any conditions, you have to mention in the mutual consent Memorandum which will be filed along with Mutual consent divorce petition. It includes, permanent alimony, child custody, distribution of properties (jeweler, gold, furniture etc)