Elon Musk's SpaceX will launch its rocketship with four civilians on Wednesday.
Mukesh Ambani is in the 10th position in this list with net worth of $84.5 billion.
The Internet service is expected to be available in India by the year 2022.
Reacting to his achievement, Musk simply tweeted, "How strange."
Elon Musk added about $100.3 billion to his net worth in 2020.