Firms should file Form ITR-3 or ITR-4-Sugam for income tax. Partnership and LLP ITRs should be Form-5. Companies should file Income Tax Returns using Form ITR-6. For charitable trusts, file Form ITR-7. For Tax Audit, returns must be digitally signed. LLPs and companies must do it. Otherwise, you can use Aadhar or net banking for E-Verification. You can also sign and send the ITR-V (Ack) to CPC for processing.


Any firm with sales over Rs.1 crore or profession with gross receipts over Rs. 50 Lakh must undergo a tax audit. Tax Audit is sometimes required even if such limits have not been exceeded. Every September 30, tax-audited businesses must file ITR and Tax Audit Report. Company audits are required regardless of turnover. If LLP turnover or contribution exceeds Rs. 40 Lakh or Rs. 25 Lakh, audit is required.