Mumbai: Even as the COVID-19 pandemic wiped out the personal savings of hundreds of people and wrecked damage across global economies — some have become richer. India has added at least 15 billionaires in the last six months.According to the Forbes list, there are 117 billionaires in India right now — who collectively have $300 billion. Mukesh Ambani, who helms the oil-to-telecom conglomerate, Reliance Industries, is the richest person in India with a net worth of $88 billion. He is followed by Shiv Nadar and Gautam Adani.