Tips for Error-Free Income Tax Returns

Tips for Error-Free Income Tax Returns (AY 2026-27)

For AY 2026-27, filing an error-free ITR means matching your return to what the CPC already knows from AIS, TIS and Form 26AS — before you submit, not after a notice arrives. The Finance Act 2025 reshuffled new-regime slabs, raised the Section 87A rebate ceiling, and the Budget 2024 rationalised capital gains rates: each change has created fresh ways to go wrong. Work through these tips in sequence to avoid 143(1) additions, defective-return notices under Section 139(9), refund delays, and the rare but costly drift into 148 reassessment territory.

1. Download AIS, TIS and Form 26AS First — Reconcile Every Line Before You Touch the Return

The Annual Information Statement (AIS) and its summary, the Taxpayer Information Summary (TIS), sit at the heart of how the CPC cross-checks your filing. They pool data from banks, brokers, mutual fund registrars, property registrars, GSTN, and over 50 other sources. Form 26AS still matters for TDS and TCS credits.

Step-by-step reconciliation process:

1. Log into the Income Tax e-filing portal (www.incometax.gov.in). Navigate to Services → Annual Information Statement (AIS).
2. Download AIS (Part A: personal info; Part B: financial transactions) as a PDF. Also download TIS for the consolidated view.
3. Download Form 26AS under e-File → Income Tax Returns → View Form 26AS.
4. Create a simple spreadsheet: one row per income head — salary, each bank's FD interest, dividend, MF redemption proceeds, share sale proceeds, property transactions, foreign remittances.
5. Mark each AIS line as match / mismatch / not mine.

When AIS shows a figure you disagree with: Do not simply ignore it. File feedback directly in the AIS portal by clicking the information and selecting the appropriate reason ("Information is not fully correct", "Information relates to other PAN", "Information is duplicate", etc.). TIS is usually updated within 7–15 working days. Where you accept the AIS figure, declare it in your return. Where you dispute it and CPC still flags it, keep the documentary rebuttal — bank certificate, broker statement, fund statement — ready for a response.

A common scenario: Your AIS shows Rs. 96,000 in FD interest from three banks. Your own records show Rs. 84,000. The gap is Rs. 12,000 credited by one bank on 31 March that you hadn't collected yet. Do not omit it: declare Rs. 96,000, take credit for the TDS as per Form 26AS, and move on. Declaring Rs. 84,000 will generate a 143(1)(a) addition and a demand notice for tax on Rs. 12,000 plus interest.

2. Choose the Right ITR Form — and Know What a Wrong Choice Actually Costs

Picking the wrong form triggers a defective return notice under Section 139(9). You get 15 days (extendable on application) to refile using the correct form. If you miss that window, the original return is treated as invalid — which means you could be in belated-return territory with the associated late fee under Section 234F (Rs. 5,000 for income above Rs. 5 lakh; Rs. 1,000 for income below Rs. 5 lakh) and interest under Sections 234A/B/C.

Quick form selector for AY 2026-27:

Three common form-selection errors:

• Using ITR-1 when you have any capital gains (even a small MF redemption). ITR-1 has no Schedule 112A or capital gains schedule. Use ITR-2.
• Using ITR-4 when you have F&O income. F&O is treated as non-speculative business income — presumptive taxation is not available. Use ITR-3.
• Salaried employees who are directors in a company (even a dormant one) cannot use ITR-1 or ITR-2 if the company had turnover. Use ITR-2 if no active business income of your own, ITR-3 if there is.

3. Get Capital Gains Right — Rates Changed on 23 July 2024

The Finance (No.2) Act 2024 rationalised holding periods and rates. For AY 2026-27, the revised framework applies for the full year.

Listed Equity Shares and Equity Mutual Funds

• LTCG (held > 12 months): gains above Rs. 1.25 lakh taxed at 12.5% without indexation.
• STCG (held ≤ 12 months): taxed at 20%.
• The Rs. 1.25 lakh exemption is a per-year threshold across all equity LTCG, not per fund or per transaction. Optimise by harvesting gains each March to reset cost.

Debt Mutual Funds

• Units purchased on or after 1 April 2023: gains are taxed at slab rate regardless of holding period. No LTCG benefit.
• Units purchased before 1 April 2023 and held more than 3 years: for units acquired before 23 July 2024, you may opt for 20% with indexation or 12.5% without indexation — whichever produces the lower tax. For units acquired between 1 April 2023 and 22 July 2024, the pre-April-2023 rules no longer apply; those fall in the slab-rate category.

Real Estate

• Property acquired before 23 July 2024 and held > 24 months: you may choose 20% with CII indexation or 12.5% without indexation. Compare both; indexation usually wins for property held over five years.
• Property acquired on or after 23 July 2024 and held > 24 months: only 12.5% without indexation is available.

Worked Example — Equity and Property Gains, AY 2026-27

Ananya has:

• Salary income (net after standard deduction of Rs. 75,000): Rs. 13,25,000
• Equity MF LTCG (held 18 months): gross gains Rs. 3,50,000
• FD interest: Rs. 60,000

Capital gains computation:

• Gross LTCG: Rs. 3,50,000
• Less exemption: Rs. 1,25,000
• Taxable LTCG: Rs. 2,25,000 @ 12.5% = Rs. 28,125

Normal income tax under new regime:

• Taxable normal income: Rs. 13,25,000 + Rs. 60,000 = Rs. 13,85,000
• 0–4 lakh: Nil
• 4–8 lakh (5%): Rs. 20,000
• 8–12 lakh (10%): Rs. 40,000
• 12–13.85 lakh (15%): Rs. 27,750
• Normal income tax: Rs. 87,750

Total tax before cess: Rs. 87,750 + Rs. 28,125 = Rs. 1,15,875 Health & education cess (4%): Rs. 4,635 Total tax payable: Rs. 1,20,510

Critical point: Section 87A rebate (new regime: up to Rs. 60,000 for total income ≤ Rs. 12 lakh) does not apply here because (a) total income exceeds Rs. 12 lakh and (b) even if it did not, the rebate applies only to tax on income taxed at normal slab rates — not to LTCG or STCG taxed at special rates. Many filers claim the rebate against capital gains tax in error. The CPC system rejects such claims post-processing.

4. Deductions Under the Old Regime — Claim Only What You Can Prove

If you have opted out of the new regime and are filing under the old regime, claim every deduction that you have documentation for — but not a rupee more.

Commonly missed or miscalculated deductions:

• Section 80C (ceiling Rs. 1,50,000): Includes PF contribution (employee share only), PPF deposits, ELSS, life insurance premium (up to 10% of sum assured for policies issued after 1 April 2012), tuition fees, principal repayment on home loan. The ceiling is cumulative — many filers exceed it on paper without realising the cap.
• Section 80CCD(1B): Additional NPS contribution by the employee, up to Rs. 50,000, over and above the 80C ceiling.
• Section 80D: Health insurance premiums — Rs. 25,000 for self/family, Rs. 50,000 if the insured is a senior citizen. Preventive health check-up sub-limit of Rs. 5,000 is within the overall ceiling. Check that the premium was paid other than by cash.
• Section 24(b): Home loan interest — up to Rs. 2,00,000 on self-occupied property. For let-out property, the full interest is deductible but set-off of loss against salary is restricted to Rs. 2,00,000 per year; the balance carries forward for eight years.
• Section 80E: Education loan interest — uncapped, available for eight assessment years from the year repayment starts.
• Section 80G: Donations — verify that the donee institution's 80G registration is currently valid. Registrations under the post-2020 re-registration requirement have specific approval periods. A lapsed registration means your deduction will be disallowed at 143(1).

5. The New Regime Default — What Changed for AY 2026-27

The new regime under Section 115BAC is the default for AY 2026-27. To switch to the old regime, you must explicitly elect it in the ITR filing — and if you have business income, you need Form 10-IEA.

Zero-Tax Threshold Under New Regime

The Finance Act 2025 restructured slabs and raised the Section 87A rebate to Rs. 60,000 for new-regime filers with total income of Rs. 12 lakh or below. For salaried individuals, the Rs. 75,000 standard deduction pushes the effective zero-tax gross salary threshold to Rs. 12,75,000. Income above Rs. 12 lakh loses the rebate entirely, though marginal relief provisions prevent the tax on the marginal excess from exceeding the amount by which income exceeds Rs. 12 lakh.

What the New Regime Still Allows You to Claim

Most Chapter VI-A deductions fall away, but these remain available:

• Standard deduction: Rs. 75,000 on salary and pension.
• Family pension deduction: Lower of Rs. 25,000 or one-third of family pension.
• Section 80CCD(2): Employer's NPS contribution — up to 14% of basic salary for all employers (extended to private sector from AY 2025-26 onwards). This is one of the most underused deductions in the new regime, especially for employees whose employers have NPS enabled on the payroll.
• Section 80CCH: Agniveer Corpus Fund contributions.
• Section 10(13A) HRA exemption: No longer available in the new regime. If you have a large HRA component, model both regimes before choosing.
• Exemptions under Section 10 for specified receipts (gratuity, leave encashment on retirement, voluntary retirement) continue to apply.

6. Disclose Foreign Assets in Schedule FA — Even When There Is No Income

If your residential status for AY 2026-27 is Resident and Ordinarily Resident (ROR), Schedule FA in ITR-2 or ITR-3 is mandatory for every foreign asset held at any time during calendar year 2025 (January to December — not the financial year).

What must be disclosed:

• Foreign bank accounts (even dormant ones)
• Foreign equity or debt investments, ESOPs in overseas listed companies
• Immovable property outside India
• Beneficial ownership or signing authority over any foreign entity
• Foreign life insurance policies with cash surrender value
• Trusts where you are settlor, trustee, or beneficiary

The penalty: Under the Black Money (Undisclosed Foreign Income and Assets) and Imposition of Tax Act, 2015, non-disclosure carries a flat penalty of Rs. 10 lakh per undisclosed asset, independent of whether any income arose. Prosecution is also possible in serious cases. The law does not have a de-minimis threshold — a USD 500 dormant NRO-equivalent account still requires disclosure if you have re-acquired ROR status.

Returning NRIs take note: If you returned to India and became ROR in FY 2025-26, your overseas assets accumulated during your NRI years now require Schedule FA disclosure for the first time. The transition is frequently missed.

7. Common Mistakes That Pull Returns into 143(1) Processing — and How to Avoid Them

These are the errors that CPC's automated processing flags most frequently. None require a professional to fix — but all require attention before you submit.

Mistake 1: Reporting TDS from a previous employer's Form 16 but not the income If you changed jobs mid-year, you need both Form 16s. Report the gross salary from both, consolidate the TDS, and make sure your declaration of perquisites (car, accommodation, etc.) from the first employer is included. The AIS will show salary credited by both employers.

Mistake 2: Omitting savings account interest below Rs. 10,000 Section 80TTA gives you a Rs. 10,000 deduction on savings interest under the old regime, but the income must still be declared under "Income from other sources" before the deduction is claimed. Omitting the income while taking the deduction is arithmetically inconsistent and gets flagged.

Mistake 3: Claiming Section 87A rebate against special-rate tax As illustrated in the worked example above: the Section 87A rebate offsets only normal-rate tax. LTCG @ 12.5% and STCG @ 20% on equity are excluded. The ITD portal may allow the entry but CPC adjusts it at 143(1).

Mistake 4: Switching regimes after filing without using the revision window You cannot change your tax regime after the original return is filed except by filing a revised return before the due date (31 July 2026 for non-audit individuals) or belated return deadline (31 December 2026). Model both regimes in the portal's built-in tax calculator before you submit.

Mistake 5: Not reporting exempt income that still needs disclosure Long-term equity LTCG below Rs. 1.25 lakh is exempt from tax but must still be reported in Schedule 112A. Exempt agriculture income above Rs. 5,000 must be disclosed and is used in computing the tax on the balance income under partial integration. Omitting it is not an error that saves tax — it is just an omission that creates a mismatch against AIS.

Mistake 6: Declaring advance tax / self-assessment tax paid but wrong challan details Enter BSR code, challan serial number, date and amount exactly as they appear on the Challan 280 receipt. A transposition error in the BSR code means the TDS credit will not match at processing and you will receive a demand for the uncredited amount.

8. E-Verify Within 30 Days — the Clock Starts at Submission, Not at Your Convenience

An unverified ITR is not a filed return. E-verification within 30 days of submission is mandatory under the CBDT notification dated 29 July 2022 (effective 1 August 2022), which reduced the window from 120 days to 30 days.

Available modes of e-verification:

1. Aadhaar OTP — fastest; requires Aadhaar linked to the mobile number registered with UIDAI.
2. Net banking — login to your bank's net banking and use the e-verify ITR link.
3. Demat account EVC — via CDSL or NSDL, provided the account is pre-validated on the e-filing portal.
4. Pre-validated bank account EVC — bank must be pre-validated and mobile number must match.
5. ITR-V postal route — signed physical copy to CPC Bengaluru by speed post within 30 days. Still available but unreliable given transit times. Use only as a last resort.

If you miss the 30-day window: The return is treated as filed on the date of verification, which is likely after the original due date. You face belated return status — loss of certain carry-forward of losses (speculative, capital losses) and possible late fee under Section 234F. File a condonation request (under Section 119(2)(b)) if you have a genuine reason.

9. Retain Documents for Eight Years — Because the Law Allows Reopening for Ten

Section 149 of the Income-tax Act permits reopening of assessments:

• Up to 3 years from the end of the relevant assessment year in ordinary cases where the AO has reason to believe income has escaped assessment.
• Up to 10 years where the Principal Chief Commissioner is satisfied that the escaped income relates to an asset (including foreign asset) and exceeds Rs. 50 lakh.

For AY 2026-27, the relevant assessment year ends March 31, 2027. A 10-year reopening window theoretically extends to March 31, 2037. Retain the following for at least eight years:

• Form 16 / Form 16A from all deductors
• Broker contract notes and capital gains statements (FIFO/average cost basis)
• Mutual fund account statements with NAV and date of each transaction
• Property sale/purchase deeds, stamp duty receipts, improvement invoices (for cost of improvement in capital gains)
• Bank statements — all accounts, not just salary account
• Donation receipts with 80G approval details
• Investment proofs for 80C/80D
• Foreign asset documentation — overseas bank statements, share certificates, property deeds
• Challans for advance tax and self-assessment tax paid

Key Takeaways

• Reconcile before you file: AIS → TIS → 26AS mismatch resolution is the single most effective step to avoid post-filing notices.
• Form selection is non-negotiable: Any capital gains, foreign asset, or directorship forces you out of ITR-1; F&O income forces you out of ITR-4.
• Capital gains post-July 2024: Equity LTCG above Rs. 1.25 lakh @ 12.5%; STCG @ 20%; real estate acquired before 23 July 2024 gets a dual-rate option — always compute both.
• New regime zero-tax ceiling is Rs. 12 lakh (salary: Rs. 12.75 lakh) for AY 2026-27, but the Section 87A rebate does not offset tax on special-rate capital gains.
• Schedule FA is mandatory for ROR status holders with any foreign asset held during calendar year 2025 — even dormant accounts. The Rs. 10 lakh penalty per asset is not income-linked.
• E-verify within exactly 30 days of submission; after that, the return is treated as filed on the verification date, which can strip loss carry-forwards and attract late fees.
• Eight years of documentation is the practical minimum given the 10-year outer limit for reopening in serious cases — organise originals digitally, not just in a physical file.