How to file divorce from other country

Hello, I am married since 14+ years and have a son of 11 years. Presently I am living in France and my son is with my husband in India. I am looking for job here and then I can bring my son with me. This is the agreement me and husband have made before I came here. I want to file for mutual divorce however I have strong feelings that my husband will not agree to that. He has threaten me to put in front of court if I ask for divorce in past. I have few assets in India, which are in joint name but bought 100% by me. All the liabilities are on my single name. I don't want any sort of alimony. I just want a simple peaceful divorce and as much as less mental suffering for my son. I have following questions - 1. If he agrees for mutual divorce, will I able to file petition from France. will I have to come to India? 2. If he does not agree for mutual divorce what can be other options? 3. Will it be problem to take custody of my son ? 4. How the fastest process can be moved? 5. Is it possible to waive of cooling period ? 6. Is it possible to skip counselor session? 7. Can trail be on video call or I will have to be preset there? Thank and Regards A