My answers;
1) Yes your current divorce petition can be changed to Mutual Consent Petition,
2) Advancement or preponement of the petition must be done by the Petitioner only with the presence of his/her advocate and a copy of the advancement application must be served on the respondent or his/her advocate.
3) An application seeking amendment must be made by the Petitioner and the respondent must give their No objection on the very same day. The terms and conditions must be stated only after the permission to amend is granted by the court.
4) Filing a fresh mutual consent is advised if both parties have been staying separately for more than 2 years, also after filing the fresh MCD petition, the other cases must be withdrawn. Conversion is faster.
5) You qualify for filing a MCD or conversion as stated above.
6) A separate application waiver of the mandatory waiting period must be made by the petitioners after conversion or filing of fresh MCD petition, the court will consider the facts and grant leave to proceed.
7) Not required for the reasons stated above.
8) No cost agreement is not required as this is one of the conditions of the MCD petition and she will sign and give her consent.
9) The Memorandum of Understanding to be drawn up specifying the terms and conditions of MCD must clearly state, default clause as well, Hence preparation of this MOU is very important and crucial.
10) Yes it can be added.
Any other point you wish to add discuss it with any of the panel advocates and move forward