India, May 11 -- While India's royal titles may no longer hold official power, some former royal families are still managing vast business empires and investment portfolios behind the scenes. In a recent as-told-to essay published by Business Insider, Princess Jahnavi Kumari Mewar shared how she transformed her family's investment business into a formal multi-family office and helped preserve and grow royal wealth.

Jahnavi Kumari Mewar belongs to the Mewar royal family of Rajasthan. According to a report by Business Insider, she said that the "last official, government-recognised king in India" was her grandfather's elder brother before India transitioned into a democracy.

"I grew up as most kids would. The difference was that I ended u...