To be eligible for divided, you need to buy the stock before the ex-date. The ex-date and record date for ITC divided was May 30, 2023. Since you bought on the ex-date/record date, you were not eligible to receive the dividend.
From ex-date onwards, the stock starts trading without the corporate action benefit. So to be eligible for any corporate action, you should buy the shares before the ex-date. You can learn more here:
Hey @ShubhS9 , thanks for understanding my question although I made the blunder(wrote March instead of May) in forming my question, I’ve edited my question.