Coal India Ltd on February 4 approved a ₹3,189.54-crore equity investment in its subsidiary Bharat Coal Gasification and Chemicals Ltd to fund a 0.66 MTPA ammonium nitrate project. The company also granted in-principle approval for a ₹3,132.96 crore equity infusion in a joint venture with Damodar Valley Corporation for thermal and renewable power projects, with CIL and DVC holding 50% each.