Advent International, the US private equity firm behind some of the biggest leveraged buyouts and conglomerate carve-outs, including the ₹17.2-billion acquisition of Thyssenkrupps elevator business in 2020 along with co-investors and the 1.8 billion joint takeover of Royal Bank of Scotlands payments business, Worldpay, believes India is among the worlds most attractive markets where investments of up to $10 billion in the next five years are likely.