India- and Southeast Asia-focused private investment group Everstone Capital has agreed to exit its controlling stake in India-based pharmaceutical developer Rubicon Research to global growth equity firm General Atlantic, reportedly generating a 4.5x return multiple and 92% IRR on the transaction. Separately, Everstone has agreed to acquire a majority stake in Sahyadri Hospitals, an India-based hospital chain. The transaction will consist of both primary and secondary components. Sahyadri is backed by India-focused private investment firm IDFC Alternatives, which invested in the company in 2008 and 2012. Additional financial details of the transactions were not disclosed.