This document discusses non-performing assets (NPAs) in the banking sector. It defines NPAs as loans that are in default or where payments are delayed. It categorizes NPAs as sub-standard, doubtful, and loss assets based on the period of default. The document also discusses the provisioning required for different categories of NPAs, the effects of high NPAs on banks, and tools used by banks to recover NPAs such as the SARFAESI Act and debt recovery tribunals.