Mumbai: Mukesh Ambani is once again a centibillionaire. The richest person in India "- and in Asia "- saw his wealth climb $2.8 billion to $101.8 billion Thursday, as shares of his flagship, Reliance Industries Ltd., rose 2.6 per cent to close at a record high. He's returning to the $100-billion club for the first time since June 2022, according to the Bloomberg Billionaires Index.