India, officially known as the Republic of India is a South Asian country with the most populous democracy in the world. It is the seventh-largest country by area and the second-most populous country with over 1.2 billion people.
A federation with a parliamentary system governed under the Constitution of India, India is a constitutional republic and representative democracy.
According to the International Monetary Fund, as of 2013, the Indian economy is nominally worth US$1.758 trillion being the eleventh-largest economy by market exchange rates, and the third-largest by purchasing power parity.
With an economy worth in trillions, billionaires are a common thing in India with the richest billionaire Mukesh Kumar Ambani worth at $21.5 Billion while the poorest billionaire Rishad Naoroji worth a mere $1.8 Billion.
