Piramal-Pharma-and-Navin-Fluorine-Mutually-Agree-on-Piramal-Increasing-its-Stake-to-100-in-Convergence-Chemicals Piramal-Pharma-and-Navin-Fluorine-Mutually-Agree-on-Piramal-Increasing-its-Stake-to-100-in-Convergence-Chemicals