Due to mounting bad loans, state-owned banks saw their cumulative losses widen three-and-a-half times to ₹14,716.2 crore in the July-September quarter of the current fiscal. The biggest loss was posted by scam-hit Punjab National Bank at ₹4,532.35 crore in the September quarter. These 21 public sector banks posted a net loss of ₹4,284.45 crore in the September quarter of 2017-18.