It may be noted that the provision relating to tax audit under section 44AB applies to every person carrying on business, if his total sales, turnover or gross receipts in business exceed the prescribed limit (Rs.1 crore or Rs 10 crore in specified cases) and to a person carrying on a profession, if his gross receipts from profession exceed the prescribed limit (Rs. 50 lakhs) in any previous year. It is pertinent to note here that the turnover limits as provided in section 44AD and 44ADA have been further revised upwards by the Finance Act, 2023 applicable w.e.f. A.Y. 2024-25. The threshold turnover limit of Rs.2 crores in section 44AD has been revised upwards to Rs.3 crores from A.Y.2024-25 in respect of eligible assessees where aggregate of the amounts received during the previous year, in cash, does not exceed 5% of the total turnover or gross receipts of such previous year. Likewise, the threshold limit of Rs.50 lakhs has been revised upwards to Rs. 75 lakhs in Section 44ADA in case of an assessee where the amount or aggregate of the amounts received during the previous year, in cash, does not exceed five per cent of the total gross receipts of such previous year However, the terms "sales", "turnover" or "gross receipts" are not defined in the Act, and therefore the meaning of the aforesaid terms has to be considered for the applicability of the section.