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GST Audit Services in India

A GST Audit is a detailed process of a taxpayer’s accounts to check if there are any irregularities in the turnover, taxes paid, input tax credit, refunds, or GST laws. The GST Audit is an important process to be complied with by those businesses whose turnover exceeds certain set limits under the special GST Audits mentioned in the GST Act.

It has been observed that some businesses take it lightly, which can later become a costly blunder. GST audit is not limited to checking figures, but it can also encompass the process of GST returns, accounts, financial statements, and documents. Any mismatch, default, or inaccuracies can result in tax demands, penalties, interest, and lengthy litigation.

The GST law has been evolving, and audit expectations have drastically changed since the implementation of the GST law. Businesses today make intense use of data analytics, mismatch detection, and cross-validation by GSTR-1, GSTR-3B, GSTR-2B, e-invoicing, and FS. The preparation for a GST audit has become more complicated and more imperative than before.

What Is a GST Audit?

A GST Audit refers to the examination of records, returns, and documents maintained by a GST-registered person to ensure:

  • Correct declaration of turnover
  • Proper payment of GST
  • Accurate claim of Input Tax Credit (ITC)
  • Compliance with provisions of the GST Act and Rules

The audit ensures that the tax liability declared by the taxpayer matches the actual business transactions recorded in books and reported to the GST department.

A GST audit can be initiated by the taxpayer themselves (self-audit), a Chartered Accountant or Cost Accountant and also by GST authorities.

Trusted Process 100% Compliance

Types of GST Audit in India

GST Audit by Taxpayer (Self-Audit)

All registered individuals are required to perform their internal checks so that GST compliances can be fulfilled. Despite the mandatory CA-certified GST audit having been waived from the FY 2020-21, the requirement for self-certification of reconciliation statements to confirm accuracy continues.

Self-audit includes:

  • Reconciling GSTR-1, GSTR-3B, and books
  • Matching ITC with GSTR-2B
  • Ensuring tax is paid correctly
     

GST Audit by Chartered Accountant / Cost Accountant

Earlier, businesses with turnover above prescribed limits had to get a GST audit certified using GSTR-9C. Although the certification requirement has changed, professional audits remain essential for large and complex businesses to avoid departmental action..

Professional GST audits help:

  • Identify mismatches before notices
  • Correct errors through voluntary payment
  • Prepare reconciliation statements

GST Audit by GST Department

The GST authorities have the power to do audits as mentioned in Section 65 of the CGST Act. The GST tax officer does this task at the business premises of taxpayers or online assessments.

The department issues prior notice and examines:

  • Books of accounts
  • Returns filed
  • ITC claimed
  • Tax payments

     

01

GST Compliance Assurance

Ensures compliance with GST laws and guidelines

02

Accurate Transaction Recording

Promotes accuracy and credibility in recording transactions

03

Operational Improvements

Allows for improvement and streamlined operations

04

Enhanced Market Credibility

Increases credibility among investors, banks, tax authorities, etc

05

Mandatory GST Reporting

Provides necessary reports mandated by the GST law

06

Fraud & Evasion Prevention

Prevents the chances of fraudulent activities and tax evasions

Our Process

Process for GST Audit Service

STEP 1

Appoint a Qualified GST Auditor

The partner, proprietor, or board of directors must appoint an auditor at the beginning of the financial year for the GST Audit in accordance with Section 35 of the GST Act. The chosen individual must be a Chartered Accountant or Cost Accountant in active practice. You can consult Patron Accounting with a team of experienced Chartered Accountants for an efficient audit procedure.

Appoint a Qualified GST Auditor 1
STEP 2

Initial Audit Planning Meeting

A meeting with the Chartered Accountant or Cost Accountant appointed as the GST auditor will allow you to understand the audit process, its scope, and the main objectives to be achieved.

Initial Audit Planning Meeting 2
STEP 3

Review of Records & Internal Controls

The auditors will hold a review to ensure the entity’s internal checks and controls are good. The appointed GST auditor will review various records and books such as stock register, sales register, purchase register, input tax credit availed, e-Way bills of the audit period, e-Invoices, and so on to ensure they are accurate and updated.

Review of Records & Internal Controls 3
STEP 4

File & Review GSTR-9C

The GSTR-9C form has to be filed for annual returns and GST audits. This form is applicable for companies with a turnover of more than INR 5 crore. The form needs to be filed and submitted with relevant details. The auditor is responsible for reporting any potential tax liability of the company based on the GST audit. Taxpayers can settle the taxes based on the auditor’s recommendation to ensure compliance.

File & Review GSTR-9C 4
STEP 5

Certification & Final Audit Report

The Form GSTR-9C needs to be certified. The final step of the GST audit is for the auditor to present a report and certify details such as if the necessary records are up to date, the financial statements are prepared according to the book of accounts, the GSTR-9C is accurate, and so on. The auditor will list any other observations they have in the audit report.

Certification & Final Audit Report 5

Documents Required for GST Audit

Required Documents

  • Books of accounts
  • Trial balance and ledger extracts
  • Sales register and purchase register
  • GSTR-1, GSTR-3B, GSTR-2B
  • E-Invoice Data (if applicable)
  • Debit and credit notes
  • Tax invoices and bills of supply
  • Expense statements
  • Stock & Inventory Record
  • Accounts of fixed assets
  • Refund Applications and Orders of Sanctions
  • Bank Statements

Key Areas Examined During GST Audit

  • Turnover Reconciliation 

This is to ensure that there is consistency between the turnover recorded in the GST 

returns and that reflected in the accounts and income tax returns, and that any discrepancies have been properly justified. 

  • Input Tax Credit Verification 

This is important because it validates that ITC claims are valid and properly recorded on the GST system and that it is supported by reporting from the suppliers. 

  • Tax Rate and Classification Review 

This verifies that the correct GST rates and HSN or SAC codes are applied to goods and services. 

  • Reverse Charge Compliance 

This examines whether reverse charge liabilities are identified, paid on time, and accounted for correctly. 

  • Refund and Export Compliance 

This reviews export-related filings and refund claims to confirm accuracy and proper documentation.

When Is GST Audit Applicable?

GST audit may apply in the following situations:

  • High turnover businesses
  • Businesses with complex supply chains
  • Excess ITC claims
  • Repeated mismatches between returns
  • Refund claims, especially export refunds
  • Departmental selection based on risk parameters

Even businesses below audit thresholds may face departmental audits if discrepancies are detected.

Legal Provisions Governing GST Audit

GST audit provisions are mainly governed by:

  • Section 65 - Audit by tax authorities
  • Section 66 - Special audit
  • Section 61 - Scrutiny of returns
  • Section 73 & 74 - Determination of tax not paid or short paid

Understanding these sections is critical because audit findings can directly lead to tax demands under Sections 73 or 74.

Common GST Audit Issues Faced by Businesses

  • ITC mismatch with GSTR-2B 
  • Unreported or missed credit notes 
  • Incorrect treatment of advances received 
  • Wrong GST rate applied on supplies 
  • Reverse charge entries not recorded 
  • Export and refund data mismatches 
  • Errors in e-invoice reporting 
  • Incomplete or inaccurate stock records 

 

Consequences of Adverse GST Audit Findings

  • Extra tax to be paid along with interest 
  • Penalties under GST law 
  • Input tax credit may be blocked 
  • Long legal and compliance issues 
  • Cash flow problems for the business 
  • Higher chances of audits in future years 
Please Note: With Patron Accounting, clients receive more than just compliance; they gain actionable insights to optimize inventory management, enhance profitability, and strengthen corporate governance.

What Is Special GST Audit? (Section 66)

A Special Audit can be ordered when the GST officer believes that the value of supplies has not been correctly declared, or the ITC has been wrongly availed

In such cases, the officer may direct the taxpayer to get their accounts audited by a Chartered Accountant or Cost Accountant nominated by the department.

The cost of such a special audit is borne by the government, but the consequences can be severe if discrepancies are found.

Why Choose Patron Accounting for GST Audit Support

At Patron Accounting, GST audits are conducted with deep knowledge of GST law, departmental expectations, and practical real-world business operations. Our team provides a detailed GST returns review for your business, identifies any potential red flags, and helps you correct issues before they become notices or demands. We focus on the practical and defensible solutions rather than just theoretical interpretation. It can be ITC reconciliation, turnover mismatch, rate classification, or even departmental audit support, every minute aspect is attended to with a lot of detail and clarity. We also assist in departmental audits by preparing explanations, documents, and responses that conform to the provisions of GST and recent precedents. Our approach is to be proactive, structured, and transparent; hence, we keep your business compliant and audit-ready. With Patron Accounting, GST audit is a controlled process rather than a stressful event. 

 

Frequently Asked Questions

Have a look at the answers to the most asked questions.

FAQ Illustration

The main purpose of the GST audit is to verify the accuracy of the turnover, taxes paid, refund claimed, and input tax credit availed.

Some issues found during the GST audit include non-payment of taxes, improper classification of goods or services, wrong claim of ITC, short or excess payment of tax, etc.

The different types of GST audits include departmental audits by the tax authorities, statutory audits, special audits, limited audits, and taxpayer-initiated audits.

It can take a few days or several weeks to complete the GST audit procedure. It depends on factors such as your business size, operations, quality of financial records and documents, etc.

A GST-registered taxable person eligible for GST audits but fails to comply with the GST laws and regulations can face penalties, fines, and legal action.
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