Answer
Ratan Tata, a renowned industrialist and former chairman of Tata Group, has invested in around 30 startups to date. Some of these startups include Ola Cabs, Snapdeal, CureFit, UrbanClap, Lenskart, and BigBasket. He has also invested in companies from various sectors, including healthcare, education, and financial services. His investments have helped these startups to grow and become successful.