Sathyapriya R

Published on: Jun 24, 2026

Salaried Taxpayer? Income Tax and GST Tasks Before March 31 Deadline

As the financial year draws to a close, March 31 becomes a crucial date for taxpayers across India. Both individuals and businesses must ensure that a range of tax-related compliances under the income tax and GST frameworks are completed on time. Missing these deadlines can result in loss of financial benefits, along with penalties, interest charges, and late filing fees. Careful planning and timely action help ensure a smooth transition into the new financial year.

Important Income Tax Tasks Before March 31

One important factor to consider is the application for a reduced or zero TDS (Tax Deducted at Source) certificate using Form 13. Although this is not required before March 31, it is recommended to start early to ensure proper deductions in April.

  • Apply for Form 13 to reduce or eliminate excess TDS
  • Ensure correct tax deduction from upcoming financial year
  • Avoid refund delays due to over-deduction

Another significant aspect of filing income tax returns is the filing of a revised income tax return through ITR-U, if applicable. This is to rectify errors such as income not included in the original income tax returns or incorrect tax calculations.

  1. Identify missing or incorrect income details
  2. Access the income tax portal
  3. File updated return using ITR-U
  4. Pay additional tax and applicable penalties

It is also essential for taxpayers to note that the due date for filing TDS returns for Q3 2025 has been extended until March 31.

Task Purpose Benefit
Form 13 Application Reduce TDS Better cash flow
ITR-U Filing Correct errors Avoid scrutiny
TDS Return Filing Compliance Avoid penalties

Capital gains planning is also important. Taxpayers should assess their investments and determine if it is better to sell them for tax purposes.

  • Set off capital losses against capital gains
  • Utilize carried forward losses
  • Eligible exemptions

Depreciation for businesses is based on the utilization of assets. Assets have to be purchased and utilized before March 31.

Key GST Tasks Before March 31

GST compliance requires reconciliation of returns with financial records. Businesses must ensure accuracy between GSTR-1, GSTR-3B, and accounting books.

  1. Match GSTR-1 with sales records
  2. Verify GSTR-3B with books of accounts
  3. Reconcile GSTR-2B with ITC claims
  4. Review credit and debit notes

Another crucial task is reviewing input tax credit (ITC). Businesses must ensure only eligible credits are claimed and ineligible ones are reversed.

  • Verify supplier invoices
  • Check eligibility under GST rules
  • Reverse incorrect ITC claims

For exporters and SEZ businesses, filing a Letter of Undertaking (LUT) for FY 2026–27 is essential.

  1. Access GST portal
  2. Submit LUT application
  3. Ensure approval before new financial year
GST Task Risk if Missed Impact
Reconciliation Mismatches Penalties
ITC Review Wrong claims Higher tax liability
LUT Filing IGST liability Cash flow issues

Businesses should also evaluate tax positions and litigation risks. Reviewing classification, valuation, and exemptions ensures compliance and reduces disputes.

  • Identify high-risk tax positions
  • Maintain supporting documents
  • Refer to legal rulings and circulars

Supplier compliance is equally important. ITC claims depend on whether vendors correctly file returns and pay taxes.

  • Verify supplier GSTR-1 filings
  • Ensure tax payment via GSTR-3B
  • Match invoices with GSTR-2B

Conclusion

The March 31 deadline is an important milestone for taxpayers to assess income tax and GST liabilities. The process of applying for TDS certificates and reconciling GST returns is an important milestone. Each of these activities is important for taxpayers to become financially efficient and avoid any penalties. The process will enable taxpayers to start the new financial year with a clear mindset.

Back to Learn

Frequently Asked Questions

Common questions about Income Tax and GST Compliance: Tasks Before March 31, India.

The March 31 deadline is crucial for both individuals and businesses in India as it marks the end of the financial year. Meeting this deadline ensures compliance with various income tax and GST regulations, helping taxpayers avoid penalties, interest charges, and late filing fees.
Applying for a reduced or zero TDS certificate using Form 13 can help taxpayers avoid excess tax deductions from their income in the upcoming financial year. This proactive measure ensures better cash flow and prevents refund delays due to over-deduction.
Taxpayers who realize they have made errors in their original income tax returns, such as missing income details or incorrect tax calculations, should consider filing a revised return using ITR-U. Doing so allows them to correct these mistakes, avoid scrutiny, and pay any additional tax and applicable penalties.
The deadline for filing TDS returns for Q3 2025 has been extended to March 31. Timely filing of these returns is important for maintaining compliance and avoiding penalties associated with late submission.
Capital gains planning allows taxpayers to assess their investment portfolios to determine whether it is advantageous to sell certain investments for tax purposes. This can involve setting off capital losses against gains and utilizing any carried forward losses to minimize tax liabilities.
Key GST tasks include reconciling returns with financial records, reviewing input tax credits (ITC) for eligibility, and ensuring all claims comply with GST rules. These steps are vital for avoiding mismatches, penalties, and higher tax liabilities.
Filing a LUT for FY 2026-27 is essential for exporters and SEZ businesses to avoid IGST liability on exports. Ensuring the LUT is submitted and approved before the new financial year helps maintain smooth cash flow.
ITC claims depend significantly on whether suppliers correctly file their returns and pay the appropriate taxes. By verifying supplier GSTR-1 filings and ensuring tax payment via GSTR-3B, businesses can ensure their ITC claims are valid and avoid disputes with tax authorities.