1. Going for Mutual Consent Divorce will be BEST. you may ger contested ex parte decree in your favor within 2-3 hearing i.e. 2-4 months but what if she appears in between the proceedings and file an application for setting aside the ex parte order, then the case will take somewhere around 4-6 years,
moreover, now you are OK with her demand, what, if things go complicated at a later stage, therefore, MCD is BEST
2. you have to file a fresh petition for MCD
3. 6 to 18 months starting from the day of the first motion of filing a mutual consent divorce petition, in most cases 6 months
4. Court charges are NIL except for few stamps of approximately Rs. 200-300
5. lawyer's fee also varies, depends upon various factors type of work, the social status of the lawyer, the monetary value of the case, the experience of the lawyer, etc