For most NRI households, tax filing is the most operationally complex annual obligation — the result of holding income, assets and reporting requirements across two jurisdictions whose tax codes were not designed to talk to each other. This 2026 guide walks through residency determination, the Indian return choice, the DTAA credit mechanism via Form 67, the US-side FBAR / FATCA / Form 8938 disclosure layer, the UK / Canada / Australia equivalents, and the common mistakes that produce avoidable tax exposure for NRI families.
Step 1: Determine your Indian residency status
Indian tax law classifies individuals as Resident, Resident but Not Ordinarily Resident (RNOR), or Non-Resident (NRI) for any given financial year. The classification drives what Indian-source vs global income is taxable in India:
- Resident: Physical presence in India of 182+ days in the financial year, OR 60+ days in the year and 365+ days across the preceding four years. Indian taxation applies to global income.
- RNOR: Transitional status applying to recently returned NRIs (typically the first 2-3 years after return) — only India-source and India-received income is taxable in India.
- Non-Resident: Did not meet the Resident tests. Only India-source income is taxable in India.
The 120-day rule introduced in recent budget cycles applies to high-income individuals with Indian-source income exceeding the threshold — physical presence of 120-181 days with the income threshold triggers Resident classification despite the under-182 day count. NRI Globe's visa and residency context guide covers the cross-border movement implications.
Step 2: Choose the Indian ITR form
- ITR-1 (Sahaj): NOT available to NRIs even with simple income.
- ITR-2: The most common NRI return — covers salary, house property, capital gains, foreign assets, multiple sources, no business income.
- ITR-3: Required when there is business or professional income.
- ITR-4 (Sugam): NOT available to NRIs.
- ITR-5 and onwards: Entity returns, not individual NRI use.
For the vast majority of NRI individual filers, ITR-2 is the correct form. The Schedule FA (Foreign Assets) and Schedule FSI (Foreign Source Income) sections are critical for accuracy and DTAA computation.
Step 3: Indian income types that require filing
NRIs generally must file an Indian return if any of the following apply for the financial year:
- Total Indian income exceeds the basic exemption limit (currently INR 2.5 lakh under old regime; new-regime thresholds apply if elected).
- TDS has been deducted and a refund is claimable.
- Capital gains from sale of Indian property or financial assets.
- Rental income from Indian property.
- Interest on NRO accounts above tax-deduction threshold.
- Carry-forward of losses is desired.
NRE account interest and FCNR interest are typically tax-free under current rules; NRO account interest is taxable.
Step 4: Claim DTAA credit using Form 67
The Double Taxation Avoidance Agreement (DTAA) between India and most major NRI-destination countries (US, UK, Canada, Australia, UAE, Singapore, Germany, others) prevents the same income from being taxed twice. For India-source income on which country-of-residence tax has also been paid, NRIs can claim DTAA credit:
- Form 67 must be filed online on the Indian income-tax portal before filing the ITR — this is the documentation prerequisite for claiming foreign-tax credit.
- Tax Residency Certificate (TRC) from the country-of-residence tax authority is required. US Form 6166, UK HMRC Certificate of Residence, Canada CRA Tax Residency Certificate, and equivalents serve this purpose.
- Form 10F may also be required for certain TRC submissions.
- Documentation: Country-of-residence return showing tax paid on the relevant income.
Missing Form 67 before filing the ITR is one of the most common operational mistakes — the DTAA credit becomes harder to claim retroactively.
Step 5: US-side disclosure (FBAR, FATCA, Form 8938)
For NRIs taxable in the US (greencard holders and substantial-presence-test residents), Indian-side bank and investment holdings trigger US-side disclosure even if the income is small:
- FBAR (FinCEN Form 114): Required if aggregate foreign financial accounts exceed USD 10,000 at any point during the year. Filed separately from the tax return; due April 15 with automatic extension to October 15.
- Form 8938 (FATCA): Required if foreign financial assets exceed thresholds varying by filing status and residency (USD 50,000+ for single US-resident filers, higher for joint and overseas filers). Filed with Form 1040.
- Schedule B Part III: Identifies foreign account holdings even below FBAR threshold in some cases.
- PFIC reporting (Form 8621): Indian mutual funds and ULIPs are typically PFICs under US tax law — substantially adverse tax treatment unless qualified electing fund (QEF) or mark-to-market election is made. This is one of the highest-friction US-side issues for NRIs holding Indian mutual funds.
FBAR penalties for non-filing are structurally severe; this is not a corner of US tax practice that benefits from informal handling.
Step 6: UK / Canada / Australia equivalents
- UK: Self Assessment return (SA100) with Foreign pages (SA106). Domicile and remittance-basis rules apply for non-domiciled UK residents with Indian-source income — recent changes to the non-dom regime affect long-term planning. HMRC reporting of foreign accounts under CRS is automatic; intentional non-disclosure carries severe penalties.
- Canada: T1 General return with T1135 (Foreign Income Verification Statement) required when foreign property exceeds CAD 100,000 at any point in the year. CRA receives Indian-account data via the CRS exchange.
- Australia: Individual tax return with foreign income disclosed; ATO receives Indian-account data via CRS. Foreign-investment-fund rules and CGT discounts have specific application to Indian-asset holdings.
Documents you actually need before filing
- Indian PAN; country-of-residence tax ID (US SSN/ITIN, UK UTR, Canada SIN, Australia TFN).
- Form 16 / Form 16A / Form 26AS from Indian payers and the consolidated TDS statement.
- Bank statements for NRE, NRO and FCNR accounts covering the financial year.
- Demat / mutual-fund statements with capital-gains summary.
- Property rental ledger and tenancy agreement copies.
- Form 67 supporting documentation: country-of-residence return, Tax Residency Certificate (TRC), proof of tax paid.
- For PFIC reporting (US): year-end NAV statements for each Indian mutual-fund holding.
- Country-of-residence brokerage and bank statements covering the year (for FBAR / Form 8938 calculations).
The five most common NRI tax-filing mistakes
- Filing the wrong ITR form. ITR-1 attempts by NRIs get rejected; many filers default to it from prior India-resident habit.
- Missing Form 67 before ITR submission. Forfeits DTAA credit availability for that year.
- Not reporting Indian mutual funds as PFICs in US returns. The lookback exposure on this can be substantial.
- Forgetting the FBAR for low-balance Indian accounts. The USD 10,000 aggregate threshold is across all accounts; a few small balances together can trigger reporting.
- Misclassifying NRE/FCNR interest income. Tax-free in India under current rules; may still be reportable in country of residence depending on treaty position.
When to engage a cross-border tax professional
The DIY filing path works for NRIs with simple India-side income (NRE interest, small NRO interest, no property income, no capital gains) and country-of-residence salary income only. The professional-advice threshold is genuinely reached when any of the following apply:
- Sale of Indian property in the year.
- Significant Indian mutual-fund or equity capital gains.
- Inheritance or gift received in India.
- Rental income from multiple Indian properties.
- Multiple country-of-residence years with retroactive issues.
- FBAR / Form 8938 historical non-compliance requiring streamlined or amended-return remediation.
The cost of a qualified cross-border tax professional is typically USD 800-2500 per year for a household return; the cost of getting it wrong can be many multiples of that.
Final thoughts
Tax filing is the operational annual obligation that most NRI households never grow to enjoy and that some never quite master. The 2026 tools — the Indian income-tax portal, the Form 67 online filing, the maturing cross-border tax-advisor market — make this work less painful than it used to be. The discipline of doing it correctly, on time, every year, is the single most leverageable hour of NRI-financial-life investment.
For broader investment context that feeds the tax-filing data, NRI Globe's NRI investment guide and NRE / NRO / FCNR decision tree cover the upstream structure.
Informational only — not personalised tax advice. NRI tax filing should be performed with reference to current Indian Income Tax Act provisions, the country-of-residence tax code, and the relevant DTAA. Engage qualified tax professionals on both sides for specific filings. Form numbers, thresholds, and treaty positions change; verify current rules before relying on this guide.





