1. A marriage can be dissolved only by a court through its decree. You cannot divorce before panchayat. Your marriage is still alive and subsisting for all legal and practical reasons. The second marriage of your wife is illegal and she is liable to be prosecuted and punished for the offence of bigamy. You cannot remove your wife's name from your passport as your marriage has not yet been dissolved.
2. If she does not come forward for MCD then you may file for divorce on the ground of cruelty and desertion.