The HDFC Group has overtaken Adani Group to become the third largest business conglomerate in India, as per data analysed by CNBC-TV18. The market capitalisation of HDFC Group hit ₹15.6 lakh crore on Tuesday, which is ₹28,000 crore higher than that of Adani Group. This comes as shares of HDFC Bank rallied 6% from their October lows.