Best Practices for Internal Auditing in India: 22 Proven Tips for Businesses

With increasing oversight from regulators like SEBI, RBI, and the MCA, it’s essential to implement the best practices for internal auditing in India to stay ahead. 

Let’s take you through internal audit best practices. This guide will help you improve audit planning, execution, documentation, and stakeholder trust — no matter your industry or company size.

22 Best Practices for Internal Auditing in India

1. Business Structure Considerations

The internal audit approach needs align with the organization’s legal structure, size, and industry.

For example, family-run businesses may require customized governance frameworks, while multinational subsidiaries must comply with both Indian and global policies.

 Ensure that audit scope addresses complexities like multi-location operations or joint ventures.

2. Establishing Independence and Objectivity

Ensure internal auditors report directly to the Audit Committee (as mandated by the Companies Act, 2013 for listed entities) to avoid managerial influence.

This ensures unbiased judgments, especially in conflict-of-interest scenarios.

Rotate audit teams periodically to prevent conflicts of interest and adhere to mandated auditing standards.

3. Comprehensive Audit Planning

A well-defined internal audit plan sets the foundation for success.

It should include:

• Audit scope and objectives
• Risk assessment results
• Timelines and resource allocation

This helps in prioritizing high-risk areas and optimizing resource use.

4. Coordination with Statutory Auditors

Internal and statutory auditors should share key findings, especially concerning:

• Financial reporting risks
• Internal control gaps
• Compliance weaknesses

Regular interaction ensures better alignment of audit activities. 

5. Strategic Outsourcing Decisions

Outsource specialized audits (e.g., cybersecurity, GST compliance) to experienced firms like PKC Management Consulting, while retaining oversight. 

When outsourcing make sure to:

• Define scope clearly
• Maintain oversight
• Choose partners with strong audit credentials

6. Sector-Specific Adaptations

In India, each sector comes with unique regulatory demands and operational risks. So, internal audits must adapt to these.

Sector-wise audit focus:

• Banking: RBI regulations, NPAs, and AML checks.
• Manufacturing: Supply chain risks and GST compliance.
• Healthcare: Patient data privacy under India’s Digital Personal Data Protection Act, 2023.

7. Focus on Internal Controls and Risk Management

Strong internal controls reduce fraud and increase efficiency. Audits should go beyond finding errors — they must assess why the errors occurred. 

Use control testing and risk matrices to prioritize key areas.

This means reviewing:

• Financial controls
• Operational workflows
• IT systems and cybersecurity

8. Effective Communication and Reporting

Deliver clear, concise reports in local languages (e.g., Hindi, Tamil) where necessary. 

Highlight actionable insights for management and the Audit Committee, ensuring timely escalation of critical issues.

9. Cultural & Region Specific Needs

Respect regional practices (e.g., festival-driven business cycles) and local laws (e.g., state-specific labor regulations). 

Address language diversity in internal audit documentation and interviews.

10. Structured Documentation and Reporting

Sloppy documentation leads to regulatory nightmares.Maintain detailed work papers compliant with Indian Auditing Standards. 

Use standardized templates for reports to ensure consistency and facilitate statutory auditor reviews.

Internal auditors should:

• Maintain working papers
• Document procedures
• Record control testing and evidence
• Include management responses
• Use standardized templates for consistency.

11. Technology and Data Analytics Integration

Internal audits today have moved beyond Excel sheets. Therefore auditors must adopt tools like 

• Power BI for dashboarding
• ACL Analytics for transaction testing
• SAP GRC for automated controls
• Automate controls testing and leverage AI for anomaly detection. 
• Ensure compliance with IT Act, 2000, and data privacy laws.

This increases accuracy and lowers risk of undetected fraud.

12. Risk-Based Audit Planning

Prioritize audits based on risk assessment and materiality.

Use tools like risk heat maps and risk registers to identify critical areas.

Review and update the audit plan annually or based on major changes.

13. Governance and Ethical Evaluation

Internal audits should go beyond numbers. Auditing governance promotes a culture of integrity — essential for long-term success.

Key areas to evaluate:

• Code of conduct enforcement
• Conflict of interest disclosures
• Whistleblower mechanisms
• Role and independence of the board

14. Regulatory Compliance Alignment

India has a complex compliance landscape. Missing even one deadline or filing can result in penalties and legal risk.

Build compliance checklists for every department.

Monitor updates to laws like GST, FEMA, and Companies Act. Conduct compliance audits for sector-specific regulations (e.g., IRDAI for insurance, RBI for NBFCs).

15. Benchmarking and Performance Metrics

Compare audit efficiency against industry peers using metrics like cycle time and issue resolution rate. 

Align with global standards (e.g., ISO 9001) for quality benchmarking.

Use audit KPIs and benchmarks:

16. Deep Dive into Fraud-Specific Scenarios

Focus on schemes prevalent in India, such as vendor kickbacks, procurement fraud, or GST invoice manipulation.

Scrutinize digital payment systems (e.g., UPI, QR codes) for vulnerabilities in fintech or banking sectors.

17. Maintain an Audit Calendar and Audit Universe

Create a rolling audit plan covering all key functions over a 3–5-year cycle.

Maintain an audit universe listing all auditable entities and processes.

18. Follow-Up Mechanisms

Many Internal  audits fail because of a lack of sustained action on internal audit findings, missed opportunities for improvement, or failure to enforce accountability.

Set up a formal follow-up tracker for:

• Each audit recommendation
• Responsible person
• Timeline for implementation
• Status updates

If actions are delayed, escalate to senior management or the audit committee. This ensures issues are addressed before they can become huge problems.

19. Thematic and Special Audits

Perform ad-hoc audits for specific areas like procurement, payroll, or capex.

Examine vendor due diligence, contract compliance, and outsourcing arrangements. 

20. Continuous Auditor Development

Make sure auditors in your team invest in certifications (CIA, CISA) and training on emerging areas like data analytics and ESG auditing. 

Leverage Institute of Internal Auditors (IIA) India’s resources for updates on regulatory changes.

21. Periodic Review & Update of Audit Processes

Laws, methodologies, priorities, risk factors and other factors impacting business performance may change.

Therefore, it’s important to refresh methodologies annually to address evolving risks and opportunities. 

Incorporate feedback from stakeholders and global best practices.

22. Quality Assurance and Continuous Improvement

Internal audits should be audited too. Set up an internal QA function or get external assessments every few years.

Use the IPPF (International Professional Practices Framework) or ICAI’s Standards on Internal Audit for benchmarks.

Gather feedback from auditees through surveys.

Frequently Asked Questions 

1. Is internal auditing mandatory in India?

Yes, under the Companies Act, 2013, certain classes of companies (like listed companies, large unlisted public companies and large private companies) are required to conduct internal audits.

2. What standards apply to internal auditing in India?

Indian internal audits often follow:

• ICAI’s Standards on Internal Audit (SIAs)
• SEBI LODR for listed companies
• RBI guidelines for banks and NBFCs
• International Professional Practices Framework (IPPF)

3. Can internal audits be outsourced?

Yes, companies in India often outsource specialised audits like IT audits, Forensic audits, Compliance audits. However, oversight must stay with the management and Audit Committee.

4. Can internal auditors audit every department?

They can, but shouldn’t audit their own department or any area where they have operational responsibility. This helps maintain objectivity and prevents conflict of interest. Use a rotation or assign external auditors for sensitive areas.