Most of India's richest people lost money in 2019, according to Forbes . Even so, one person has remained firmly at the top of the list of the country's billionaires. For the 13th year in a row, Mukesh Ambani, the head of oil-gas-telecom conglomerate Reliance Industries, remains the richest person in India in 2020 with an estimated net worth of US$53 billion. He is almost US$37 billion richer than the country's second-richest person, Radhakishan Damani, who controls the “Indian version of Wal-Mart”, according to Forbes . Where did Mukesh Ambani and 4 other Indian billionaires go to school? India's richest 15 people, which include Ambani, pharmaceuticals billionaires and infrastructure tycoons, are worth a combined US$175.7 billion. Here are the 15 richest people in India right now, ranked. All net worths are sourced from Forbes . 15. Savitri Jindal Net worth: US$4.8 billion Age: 70 Source of wealth: steel Who’s the richest entrepreneur to emerge from India’s tech boom? 14. Kuldip Singh and Gurbachan Singh Dhingra Net worth: US$5.3 billion Age: unknown Source of wealth: real estate 13. Benu Gopal Bangur Net worth: US$5.9 billion Age: 89 Source of wealth: cement Jack Ma vs Mukesh Ambani – who’s the richest man in Asia now? 12. Nusli Wadia Net worth: US$6.0 billion Age: 76 Source of wealth: consumer goods Why hasn’t Mukesh Ambani donated much to fighting coronavirus? 11. Azim Premji Net worth: US$6.1 billion Age: 76 Source of wealth: software services 10. Kumar Birla Net worth: US$7.3 billion Age: 53 Source of wealth: commodities 9. Dilip Shanghvi Net worth: US$7.5 billion Age: 65 Source of wealth: pharmaceuticals What were the biggest highlights of the Ambani family in 2019? 8. Lakshmi Mittal Net worth: US$7.9 billion Age: 70 Source of wealth: steel 7. Uday Kotak Net worth: US$10.3 billion Age: 61 Source of wealth: banking 6. Gautam Adani Net worth: US$10.5 billion Age: 58 Source of wealth: commodities, infrastructure 5. Cyrus Poonawalla Net worth: US$10.7 billion Age: 79 Source of wealth: vaccines 5 cool things about Mukesh Ambani’s wife, Nita Ambani 4. Sunil Mittal Net worth: US$10.8 billion Age: 63 Source of wealth: telecom 3. Shiv Nadar Net worth: US$13.5 billion Age: 75 Source of wealth: software services 2. Radhakishan Damani Net worth: US$16.1 billion Age: 66 Source of wealth: investments, retail How did Asia’s richest man Mukesh Ambani get even richer in 2019? 1. Mukesh Ambani Net worth: US$53 billion Age: 63 Source of wealth: petrochemicals, oil and gas telecom Want more stories like this? Sign up here . Follow STYLE on Facebook , Instagram , YouTube and Twitter . This article originally appeared on Business Insider . Help us understand what you are interested in so that we can improve SCMP and provide a better experience for you. We would like to invite you to take this five-minute survey on how you engage with SCMP and the news.