This document discusses various types of loans and advances provided by banks, including their classification. It covers sector-wise classification into priority and non-priority sectors. Advances are also classified as secured or unsecured, and by asset quality under prudential norms as standard, special mention account, or non-performing asset. Fund-based facilities like cash credit, term loans and bill discounting are described. Requirements for classifying book debts, supply bills and different security types like hypothecation, pledge and mortgage are provided. Proper loan classification allows for accurate provisioning and risk assessment.