Mukesh and Anil Ambani 20th richest in the world

India's leading industrialist brothers, Mukesh and Anil Ambani, have been together listed as 20th richest in the world in the Sunday Times Rich List 2013.

The brothers, who have separate industrial empire in India, have been clubbed together under the category of Petrochemicals and they are jointly assessed worth 17 billion pounds as against 19 billion pounds last year.

The Hinduja brothers, Srichand and Gopichand Hinduja, chairman and co-chairman respectively of the Hinduja Group, are 47th richest in the world with a fortune worth 11 billion pounds in 2013 as against 9 billion pounds last year.

The Walton family of the US, who own Supermarkets (Walmart), are the richest in the world with a 90 billion pounds fortune in 2013 as against 51 billion pounds last year.