Unit 8 of the auditing principles and practices discusses mandatory accounting standards in India, the importance of professional ethics for auditors, and various auditing standards issued by accounting bodies. It outlines ethical principles such as integrity, independence, and objectivity, and describes the procedures for formulating and issuing auditing standards by the Auditing and Assurance Standards Board (AASB). The unit also covers generally accepted accounting practices, key concepts in financial statements, and a list of various accounting standards established by the Institute of Chartered Accountants of India (ICAI).