This blog simplifies the concept of Tax Audit under Section 44AB of the Income-tax Act, 1961 for regular taxpayers. It explains why tax audits are essential, clearly outlines the turnover/receipt limits for businesses (₹1 Crore/₹10 Crore) and professionals (₹75 Lakhs) for FY 2024-25, and details special cases involving presumptive taxation. The article highlights the crucial role of a Chartered Accountant, the forms used (3CA, 3CB, 3CD), and the general deadline of September 30, 2025. Finally, it elaborates on the significant penalties for non-compliance and offers practical advice for taxpayers to ensure a smooth audit process.