The company said its board of directors approved the provision of a corporate guarantee for refinancing an existing credit facility of approximately ₹2,970 crore to be availed by its subsidiary, GMR Kamalanga Energy Limited (GKEL), from Power Finance Corporation Ltd or any other potential lender. Shares of GMR Power and Urban Infra Ltd ended at ₹120.35, up by ₹0.20, or 0.17%, on the BSE.