Mukesh Ambani and his younger brother Anil (left), Chairman and Vice-Chairman of Reliance Group of Industries, are the richest Indians according to a Business Standard survey. The net worth of the Ambani brothers stand at a whopping Rs 23,588 crore ($5.18 billion), up by a massive Rs 4,724 crore ($1.03 billion) since the last year. Most of these gains have come from the 25.4 per cent rise in the Reliance Industries stock price. Anil and Mukesh Ambani

IT czar and Wipro Chairman Azim Premji, who was India's richest billionaire last year, slipped to the second spot in the Business Standard survey, having lost Rs 12,448 crore ($2.74 billion) since the last year. This was mainly due to the fact that Wipro's market price plummetted by almost 40 per cent since last December. Yet, Premji's net worth still stands at Rs 18,964 crore ($4.17 billion). Azim Premji

Brothers Malvinder (left) and Shivender Singh of pharma major Ranbaxy Laboratories feature in the third spot in the list of richest Indians, says Business Standard, with a wealth of Rs 5,086 crore ($1.12 billion). The brothers' wealth increased by Rs 1,741 crore ($383 million), due to Ranbaxy's market valuation rising by 52 per cent in the past year. Malvinder and Shivender Singh

Telecom magnate and Bharti Group Chairman Sunil Mittal, in the past year, has jumped up from the seventh to the fourth spot, says the Business Standard survey. Mittal's net worth is estimated at Rs 5,000 crore ($1.10 billion), with his wealth having grown by Rs 2,945 crore ($647 million) since the last year. Bharti Tele-Ventures, a group company, showed a sharp turnaround in the last couple of quarters, and its stock price increased by an eye-popping 143 per cent after the fourth quarter results. Sunil Mittal

Shiv Nadar, Chairman, Hindustan Computers Ltd, is ranked the fifth richest Indian. His net worth, according to Business Standard, stands at Rs 4,299 crore ($945 million). Nadar's HCL Technologies, despite an IT slowdown has performed very well, as has his software training firm NIIT. The HCL boss's ambition is to make HCL Technologies the largest global information technology services firm. His strategy is focused marketing, hiring experienced local chief executives, signing joint ventures with the right partners to build expertise and strengthen processes, get into every conceivable information technology services business and position the company as more hi-tech than the competitors. Shiv Nadar

Dilip Shanghvi, Chairman, Sun Pharmaceuticals, is the sixth in the Business Standard list of richest Indians, with a net worth of Rs 3,027 crore ($665 million million). A first generation entrepreneur, Sanghvi's Sun Pharma ranks among the top five pharma companies. Shanghvi was inducted into his father's small pharma trade business when he was 18 and a commerce undergraduate at Calcutta University. Sun Pharma was started in 1983 and with a leadership presence across speciality therapy areas in the domestic market, continues to be one of the fastest growing pharma companies. Sun Pharma sells ethical prescription brands across 36 markets, including the American and European markets. Dilip Shanghvi

Kumar Mangalam Birla, Chairman, Aditya Birla Group, ranks No 7 with a net worth of Rs 2,737 crore ($601 million), says Business Standard. The Birla billionaire added Rs 1,139 crore ($250 million) to his net worth, thanks to an appreciation of 102 per cent in the price of the Grasim stock, while the Hindalco scrip was up 56 per cent on account of rising aluminium prices. Fortune magazine recently named the 35-year-old Birla as the richest Asian under the age of forty. Kumar Mangalam Birla

Zee Telefilms Ltd Chairman and media moghul Subhash Chandra is the eighth richest Indian. His net worth is said to be Rs 2,566 crore ($565 million). Chandra dream is to build a global media enterprise. He is also the promoter of India's first hi-tech amusement park Esselworld in Mumbai. Subhash Chandra

Karsanbhai Patel, Chairman of Nirma Ltd, has carved an enviable niche for himself in the world of Indian entrepreneurship. And with a net worth of Rs 2,169 crore ($480 million), he is the ninth richest amongst Indians. A quarter of a century after he changed the clothes-washing habits of the country, Karsanbhai Patel continues to be India Inc's favourite case study, says Business Standard. A chemist, who manufactured detergents at home in Ahmedabad in 1969, worked from his backyard which developed into a soap factory, cycled to retail outlets and hawked his brand at one-fourth of the price of similar products then available. At Rs 6, Nirma, named after his daughter, was the cheapest detergent available. By the late 1980s, Nirma had become one of the world's largest-selling detergent powders. Karsanbhai Patel

Dr Anji Reddy, Chairman, Dr Reddy's Laboratories, with a net worth of Rs 2,132 crore ($470 million), is the tenth richest India. Reddy wants to make the Hyderabad-based pharma company a research-driven firm that pioneers new products and process development, says Business Standard. He has also set up Dr Reddy's Foundation for Human and Social Development to encourage entrepreneurship among women and youth, and address the plight of a growing number of street children in urban areas. Dr. Anji Reddy

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