Business Insider India
In India, Mukesh Ambani, India’s richest person with over $60 billion in his pocket. The 64-year old took over his father’s business, Reliance Industries, in 1984 and became a billionaire in 13 years, according to OLBG research. Radhakishan Damani, the owner of Avenue Supermarts and second richest in the country, took 15 years to enter the billionaire’s club.
Whereas Shiv Nadar, the founder and chairman of IT giant HCL, spent more than two decades to earn a billion dollars.