Billionaire Mukesh Ambani is the wealthiest individual in Asia boasting a net worth of $103.4 billion making him the 18th richest person on the planet according to Forbes. But have you ever wondered how much money Mukesh Ambani made in the last one year? Let us find out. How much did Mukesh Ambani add to his wealth in one year? According to a report published by Hurun-Barclays the Ambani family owns total assets worth a whopping Rs 28 lakh crore which is double the fortune owned by the Adani family that has assets worth Rs  14.01 lakh crore. The report revealed that the Ambani familys wealth surged by an impressive 10 percent last year as they retained the title of Indias most valuable family business. The report highlighted that the Ambani family is a second-generation business empire and as such Mukesh Ambani-led Reliance Industries has established itself as Indias most-valued domestic firm. In contrast Adani Group is first-generation business but has grown by leaps and bounds over the past decade under the leadership of its founder and Chairman Gautam Adani. Indias richest families own 40 percent of countrys GDP As per the Hurun-Barclays report the top 300 wealthiest families in India have a combined wealth of $1.6 trillion (over Rs 140 lakh crore) which is roughly 40 percent of the countrys GDP with the Ambani family owning about 12 percent of Indias GDP. Notably the Birla family led by industrialist Kumar Mangalam Birla was the second-highest earner last year adding Rs 6.47 lakh crore to its wealth an increase of 20 percent.