India, June 13 -- The newly become first trillionaire Elon Musk after SpaceX went public on June 12 and reached a valuation of nearly $2 trillion. Elon Musk gives money to charity, but some experts have raised questions about how his donations are organized and where a lot of the money is spent.

Musk owns about 38% of SpaceX, including stock options. His wealth increased sharply when SpaceX became a public company. Even though he is the world's richest person, the amount he donates is often small compared to his total fortune.

One of his biggest recent donations was at the end of the year, when he gave about 210,000 Tesla shares worth nearly $100 million to charities that were not publicly named, according to an SEC filing reported by B...