With respect to above mentioned subject line would like to confirm that whether is it mandatory to submit any kind of Form for providing intimation to Income Tax Department for submission of Income Tax Return for F.Y. 2024-25 i.e. A.Y. 2025-26 under Old Regime. If there is need to submit such Form then what shall be timeline for submission i.e. prior submitting Income Tax Return or is it fine to submit the form after E-Filing of Income Tax Return, kindly advice.