The document discusses the different types of audits that can be performed, including statutory audits required by law, private audits undertaken voluntarily, government audits of public entities, internal audits of a company's operations, and specialized audits like interim, partial, balance sheet, in-depth, cost, and management audits. Statutory audits are required by law for certain organizations like joint stock companies and trusts. Private audits are undertaken voluntarily for sole proprietorships, partnerships, and other entities not required by law to have an audit.