Six months into the US tariffs on imported aluminum and steel, Caterpillar Inc is finding that one of the best ways it can protect profits is a cost cutting strategy that is more than two years old.

Some businessmen are rich. And then there're some who are richer than the rich. To make it into the latter group, you need a net worth of at least $11 billion. Forbes has released a list of top 10 billionaires of India and Reliance Industries' Mukesh Ambani seized the top spot. Ambani chairs and runs $51 billion (revenues) oil and gas giant Reliance Industries, among India's most valuable companies. Here is the complete list of top Indian businessmen cum billionaires:

Here is the list of Forbes' top digital companies.

The rating agency also affirmed its outlook at 'stable' for the country, saying that China will maintain its headline gross domestic product growth and improved fiscal performance in the next three to four years.