MUMBAI • A consortium led by TPG is nearing an agreement to gain control of Fortis Healthcare, India's second-largest private hospital chain by market value, people with knowledge of the matter said. The investor group, which includes Manipal Health Enterprises, could announce a deal in as soon as the next few days, said the people, who asked not to be named. Under the plan, the operations of closely held Manipal - whose backers include TPG and Temasek Holdings - would be combined with Fortis' business, the people said.