TDS ON PROFESSIONAL FEES IN NON AUDIT CASE

Since your current year turnover is ₹3.5 Cr (which exceeds the audit limit), you will be liable to deduct TDS on professional fees in the CURRENT financial year. I recommend you apply for a TAN now to be ready for all compliances.

Perform audit and let us know.

Pay tds .

No, you don't need to cut tds & pay this year, though your firm wasn't in audit , but from next financial year you should cut,pay & fill tds return. So you should apply the tan no. after the end of this f.y..