Which of the following is NOT one of the categories into which cash flows are classified as per AS-3?

Non-operating activities

The correct answer is option 2- Non-operating activities.

Financial Statements are defined in Companies Act, 2013 (Section 2 (40)] and includes Cash Flow Statement prepared in accordance with Accounting Standard- 3 (AS-3)- Cash Flow Statement. A cash flow statement provides information about the historical changes in cash and cash equivalents of an enterprise by classifying cash flows into operating, investing and financing activities. It requires that an enterprise should prepare a cash flow statement and should present it for each accounting period for which financial statements are presented.

* Non-operating activities is not a classification of cash flow statement.