Audit threshold change raises turnover and profession receipts limits and aligns specified date with return due date for filing. Amendment raises the monetary thresholds that trigger the obligation to obtain an audit under section 44AB for persons carrying on business and for persons carrying on profession, effective from the fiscal year and assessment years specified. It also replaces the Explanation's definition of the specified date with the due date for furnishing the return of income under subsection (1) of section 139, with that change made retrospectively to the prior fiscal year specified.