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GST Audit – An Overview

GST Audit is a detailed examination of a taxpayer’s records and returns filed under Goods and Services Tax (GST) laws in India. Businesses with turnover above the prescribed limit must undergo an audit by a Chartered Accountant or Cost Accountant. The audit ensures accuracy in returns, proper claim of input tax credits, and compliance with tax laws.

Mandatory for High Turnover: Businesses with annual turnover exceeding ₹2 crore are required to get their accounts audited under GST laws.
Ensures Compliance Accuracy: Audit reconciles sales, purchases, input tax credit, and tax payments with financial records.
Avoids Legal Notices: Timely audit and filing prevent interest, penalties, and GST audit notices from authorities.

Documents Required for GST Audit


To successfully complete your GST Audit, the following documents are required:

GSTIN and GST Return Filings (GSTR-1, GSTR-3B, GSTR-9)

Audited Financial Statements

Purchase and Sales Register

Input Tax Credit (ITC) Ledger and Reconciliation Statement

Payment Challans and Tax Payment Proof

Digital Signature Certificate (DSC) of Authorized Signatory

GST Audit Timeline


GST Audit process generally takes 7 to 15 working days based on volume of transactions. The final audit report (GSTR-9C) is filed along with the annual return by 31st December of the following financial year.

Frequently Asked Questions

Who is Required to Undergo GST Audit?

Every registered person whose turnover exceeds ₹2 crore during the financial year is required to get their accounts audited and file GSTR-9C.

What is GSTR-9C in GST Audit?

GSTR-9C is a reconciliation statement certified by a Chartered Accountant, comparing the figures declared in annual returns (GSTR-9) with the audited financial statements.

What Happens If GST Audit is Not Done?

Non-compliance attracts penalties, late fees, and may trigger GST audit notices or detailed scrutiny by tax authorities.