Billionaire promoters in India Inc hit record high of 152 in 2023; decline in Ambani, Adani combined net worth: Report Mukesh Ambani's net worth climbed by 4.7% to $112.5 billion in 2023, while Gautam Adani's net worth dropped 28.7% to $106.63 billion.Shiv Nadar surpassed Radhakishan Damani to become India's third richest person