1. The summons can be sent to the same and known address for the second time after which she may take steps to serve the same through newspaper publication.
2. The court order fresh summons for the second time and the third time she may seek for paper publication.
3. It is not necessary, her lawyer can take care of it.
4. If she is knowing the France address, she can arrange to send the same to that address also. If you refuse to receive it then the court paas exparte order straightaway.
5. Why do you want to allow it to become exparte and then go behind it for restoration etc., Instead you can receive the summons and enter appearance.
For setting exparte order, you may have to approach the same court.
6. There is no provision for obtaining stay on the proceedings at this summons stage however if you have substantial reasons you may approach high court with an application to stay the proceedings but the high court may not entertain this even for temporary stay.
Since you have three months time from the date of appearance to file reply to the petition, you can enter appearance through yor lawyer and seek time to file reply.
7. Even without appearing before the court, you cannot predict anything out of our imagination.
The Grant of divorce or not will depend on the proceedings conducted before the trial court and how the opposite party challenges the petitioner's case.
There will be a counselling session in which both parties can express their views and seek counselling on the issues that can be solved or resolved.