Yes you are liable to deduct tds. You can file the tds returns for 2020-21 till 31.03.2021. If you pay the tax now then you are only liable to pay tax and interest. Previously there was a requirement of audit in case of individuals now it is removed.
You are not liable to deduct TDS as the limit of turnover has been increased to Rs.5 cr from 01.04.2020 if the aggregate cash receipts is upto 5% of total receipts and aggregate of cash payments is upto 5% of total payments.
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Ignore my second reply. My first reply is correct. For TDS deduction u/s 194c, limit is 1 cr.