Related to ITR Filing for FY21

This query is : Resolved

Jayant G (Querist)
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12 April 2022 Dear Sir/Madam,

I had received one message from Income Tax Dept which says that I had not filed ITR for FY21. I responded to this on e-campaign that -
"There is no salary income however there is other income (interest income from FDs, dividend income) and some capital gain. I am in the process of filing the ITR. I shall submit the same shortly."

However, my total income (other income) is below Rs. 1 lac. Though, I had responded that I am in the process of filing the ITR and shall file the same shortly. Do I really need to file ITR as my total income is below Rs. 1 lac if yes how as 31.03.2022 has already been crossed.
If I don't file the return, will I receive any notice?
Request your opinion.