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R&D Deduction 2026: ITAT Orders 200% Instead of 100% - Section 35(2AB)

By EaseValue Tax Team, Chartered Accountants Published 28 Jun 2026 7 min read

What Happened?

The Income Tax Appellate Tribunal (ITAT) Chennai has issued an important ruling in June 2026 that benefits companies investing heavily in research and development. The tribunal directed that Assessing Officers must allow a 200% weighted deduction on DSIR-certified capital expenditure under section 35(2AB) of the Income Tax Act 2025, instead of limiting it to 100%. Additionally, the tribunal ordered verification of uncertified scientific research expenditure for deduction under section 35(1)(iv).

This ruling corrects an error where Assessing Officers were granting only half the eligible deduction that the law permits. If your company received such a denial or reduction in R&D deduction, this judgment strengthens your appeal case.

Background & Legal Context

Understanding the R&D deduction provisions is crucial for companies engaged in scientific research:

  • Section 35(1)(iv) of IT Act 2025: Allows deduction for current scientific research expenditure incurred by companies. This is the basic deduction at 100% of the amount spent.
  • Section 35(2AB) of IT Act 2025: Provides an additional weighted deduction of 200% on capital expenditure
  • DSIR Certification: This is mandatory for claiming the 200% weighted deduction under section 35(2AB). Without it, you can only claim under section 35(1)(iv).

How it Works:

Suppose your company spent โ‚น100 lakhs on DSIR-certified capital expenditure for R&D in FY 2025-26:

  • Under section 35(2AB): You can deduct โ‚น200 lakhs (200% of โ‚น100 lakhs)
  • The ITAT ruling confirms this should be allowed in full, not reduced to โ‚น100 lakhs (100% deduction)

The tribunal noted that Assessing Officers were incorrectly granting only the basic deduction percentage, ignoring the enhanced weighted deduction benefit that Parliament specifically created to incentivize R&D investment in India. This is a major procedural error that the ITAT has now corrected.

What Does This Mean for You?

If You Claimed R&D Deductions in AY 2025-26 or Earlier:

  • Your Assessment Was Reduced: If the AO denied or reduced your R&D deduction claim, this ITAT judgment is now precedent in your favor. You can file an appeal or revision application citing this ruling.
  • Tax Recovery Possible: If you overpaid tax because the deduction was wrongly denied, you may be eligible for refund of excess tax paid for AY 2025-26 or earlier years (subject to limitation period).
  • Future Assessments: For AY 2026-27 onwards, Assessing Officers must follow this ITAT judgment and grant the full 200% weighted deduction on DSIR-certified capital R&D expenditure.

Who Benefits Most:

  • Software and IT companies with DSIR-certified R&D centers
  • Pharmaceutical and biotech companies investing in drug research
  • Manufacturing companies with captive R&D facilities (certified by DSIR)
  • Automotive and industrial equipment makers conducting indigenous research

Practical Impact Example:

A Jaipur-based IT company claimed โ‚น50 crore deduction under section 35(2AB) for DSIR-certified R&D capital expenditure in AY 2024-25. The AO reduced it to โ‚น25 crore (100% instead of 200%). The company paid additional tax of โ‚น6.25 crore (at 25% tax rate). With this ITAT ruling, the company can now appeal and recover this excess tax payment.

What Should You Do Now?

Immediate Steps:

  1. Review Your Past Assessments: Check your Income Tax assessments for AY 2024-25, AY 2025-26, and AY 2026-27 to see if R&D deductions were reduced by the AO.
  2. Gather DSIR Certificates: Locate your DSIR certification letters for R&D projects. Ensure they clearly identify capital vs. current expenditure.
  3. Collate Your R&D Records: Prepare detailed schedules showing:
    • Date of DSIR certification
    • Nature of research activity
    • Capital expenditure amount (machinery, building, equipment)
    • Current expenditure amount (salaries, consumables, utilities)
  4. File Appeal or Revision: If your assessment order is not yet finalized, request revision under section 264. If finalized, file appeal before ITAT citing this June 2026 judgment.
  5. For Open Years: If your AY 2025-26 or AY 2026-27 assessment is still open, ensure you file Form ITR with full 200% deduction claim for DSIR-certified R&D capital expenditure.

Documentation Checklist:

  • DSIR certificate of recognition/registration
  • Annual reports mentioning R&D activities
  • Invoices and payment proofs for R&D capital assets
  • Depreciation schedule (if applicable)
  • Board resolutions approving R&D projects
  • Details of scientists/researchers involved

When Claiming in Future Returns:

For AY 2026-27 onwards, in your ITR Schedule, clearly segregate:

  • Current R&D expenditure under section 35(1)(iv) = 100% deduction
  • Capital R&D expenditure under section 35(2AB) = 200% weighted deduction (if DSIR-certified)

Key Takeaways

  • 200% Not 100%: ITAT Chennai (Jun 2026) rules that Assessing Officers must grant full 200% weighted deduction on DSIR-certified capital R&D expenditure under section 35(2AB), not the reduced 100% rate some AOs were using.
  • DSIR Certification Essential: The enhanced 200% deduction applies only to R&D projects with active DSIR certification. Current expenditure without DSIR cert gets only 100% deduction under section 35(1)(iv).
  • Appeal Your Old Assessments: If you were denied or had reduced R&D deduction in AY 2024-25, 2025-26, or earlier, cite this ITAT judgment in your appeal. Refund may be possible.
  • Impact on Tax Liability: This can reduce your taxable income substantially. On โ‚น100 crore R&D capital expenditure, you save deduction of โ‚น100 crore (200% vs 100%), saving โ‚น25-30 crore in taxes at slab rates.
  • Corporate Governance: Ensure your company maintains proper documentation of DSIR certification, separate accounting for capital vs. current R&D spend, and detailed project-wise records.

Need expert help with this? EaseValue CAs in Jaipur โ€” WhatsApp 63677 44602

#R&D Deduction #Section 35(2AB) #ITAT Chennai #DSIR Certification #Weighted Deduction #AY 2025-26
E
EaseValue Tax Team
Chartered Accountants
Written and reviewed by EaseValue's income-tax litigation team. We represent individuals and businesses in scrutiny, reassessment, and appeal proceedings before the AO, CIT(A), NFAC and ITAT.
Disclaimer: This article is general information on Indian income-tax law, current as of the date shown, and is not legal or tax advice. Statutory provisions, deadlines and forms change โ€” including under the Income-tax Act, 2025 (effective April 2026). Always confirm the position for your facts with a qualified professional before acting.

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