Technology barons Azim Premji [ Images ] and Shiv Nadar are among seven Indians in U S-based business magazine Forbes' latest list of the world's 476 dollar billionaires released this week.

Premji, chairman and owner of an 84 per cent stake in Wipro Ltd [ Get Quote ], India's [ Images ] No 1 software services company by market value, remains the country's richest man, with an estimated worth of $5.9 billion, down from $6.4 billion in the previous list.

The overall ranking of the 57-year-old Bangalore resident, who zealously guards his privacy, dropped to 45 from 41st spot in the annual list of the world's wealthiest people.

Pallonji Shapoorji Mistry, a key shareholder in the privately held firm that controls India's salt-to-software Tata industrial empire, is a first-time entry on the list. He is a 73-year-old construction magnate who also owns vast tracts of prime land in Bombay.

Industrialist Adi Godrej [ Get Quote ], whose family name is a familiar household brand in consumer goods such as soaps and locks, returned to the list after an absence.

Brothers Mukesh and Anil Ambani [ Images ], who run the business empire of the Reliance [ Get Quote ] group, the country's largest private business conglomerate, were ranked second in the list of Indian billionaires, with a combined net worth of $2.8 billion.

Kumar Mangalam Birla, the 35-year-old chairman of the Aditya Birla industrial group, maintained his third-place ranking in the Forbes list with a net worth of $2.4 billion.

India-born steel tycoon Lakshmi Mittal [ Images ], who controls British-based LNM Group and U S Steel, had an estimated net worth of $2.2 billion. Mittal's firms are known for turning around ailing steel companies in former communist-ruled nations.

Mistry had an estimated worth of $2 billion and Godrej $1.1 billion while Shiv Nadar, chairman of HCL Technologies [ Get Quote ], was estimated to be worth $1 billion.