UK to India: what the capital-gains picture actually looks like, in plain text

Assuming you have spent the last decade or so in the UK on a Skilled Worker visa or with ILR, a sizeable share of your liquid net worth probably sits in some mix of a stocks-and-shares ISA, a General Investment Account, vested RSUs in one ticker, and maybe a SIPP that has compounded quietly through two market cycles. You are now planning a return to India. Somewhere in your reading you have seen a post claiming there is a "playbook to tax-free capital gains." The underlying picture is real but narrower and more fact-specific than the headline suggests. It is not a trick and not a step-up. It is a timing-and-scope question under UK domestic law and India's RNOR carve-out, with the India-UK treaty playing a supporting role rather than creating a residence-state-only outcome.

1. The UK side: when does UK capital gains tax stop reaching you

UK capital gains tax for individuals is fundamentally a residence-based charge for shares and similar liquid assets. Once you have ceased to be UK tax resident under the Statutory Residence Test in Schedule 45 of the Finance Act 2013, the UK generally does not tax a later disposal of foreign-listed or UK-listed shares. The big exception is UK land and certain interests in UK property-rich companies, which remain in UK charge for non-residents under the regime that took effect from 6 April 2019.

The second exception, and the one that traps returnees who think they can leave for a year and harvest, is the temporary non-residence rule in §10A of the Taxation of Chargeable Gains Act 1992. The operative test, broadly, is that the period of non-residence must last fewer than five full UK tax years, and you must have been UK-resident in at least four of the seven tax years before departure. If both conditions are met, gains realised while non-resident can be brought into UK charge in the year you become UK-resident again.

For someone moving to India to settle, §10A should not bite as long as the period of non-residence runs to its full length. The risk is purely behavioural: if the plan changes and you become UK-resident again before the five-tax-year window closes, gains you crystallised while abroad can be taxed in the year of return.

UK position                                       CGT on sale of foreign / UK-listed shares?
UK resident                                        Yes
Non-UK resident, settled abroad                    Generally no on liquid shares
Temporary non-resident (back within window)        Taxed in year of return per TCGA §10A

2. The Indian side: what RNOR actually changes

Resident but Not Ordinarily Resident is a sub-category of Indian resident under Section 6(6) of the Income-tax Act, 1961. While you are RNOR, the scope of your taxable income under Section 5 is narrower than the worldwide scope that applies once you become ROR. Foreign-source income that does not accrue or arise in India and is not received in India is generally outside the Indian net.

That carve-out is the structural fact every UK returnee's "playbook" depends on. It is not a special exemption and not a step-up. It is the ordinary operation of Section 5 against a narrowed scope, often for two resident previous years and sometimes three, depending on how the 9-out-of-10-year and 729-day tests in Section 6(6) interact with your specific prior non-resident history. The exact length is fact-specific.

Status     Foreign capital gains taxable in India?
NR         No, subject to source rules
RNOR       Generally no, if foreign-source and not first received in India
ROR        Yes, worldwide

The lever for a UK returnee is the overlap: a sale that lands in a year you are clearly non-UK-resident and clearly RNOR, with proceeds first received outside India, may sit in a pocket where neither tax authority's domestic charging rule is the natural collector. This is a fact-specific outcome, not an automatic one.

3. Where the India-UK DTAA actually fits

It is tempting to assume the India-UK Double Taxation Convention contains a residence-state-only rule for share gains. The text, as published in the GOV.UK 2020 synthesised version of the convention, does not work that way. The Article 14 (Capital Gains) wording preserves each Contracting State's right to tax capital gains in accordance with its domestic law, subject to specific carve-outs that mostly deal with immovable property, business property of a permanent establishment, and shipping/aircraft.

So the treaty does not, by itself, take ordinary share gains off the Indian table when domestic Indian law would otherwise reach them. Where the treaty actually earns its place in UK-to-India planning is narrower:

• Tie-breaker years. In a year where both countries would call you resident under their domestic tests, Article 4 (Residence) decides which country has the primary residence claim, which then flows into how each article applies.
• Relief from double taxation. Article 24 (Elimination of Double Taxation) and India's domestic Foreign Tax Credit mechanics under Section 90 of the Income-tax Act, Rule 128, and Form 67 are how genuine overlapping-tax situations get resolved.
• Specific anti-abuse and property-related share rules in the synthesised text, where applicable on the exact facts — these need the actual current treaty wording, not a summary.

The "residence-only" framing that floats around in returnee forums conflates the OECD model treaty with what this particular convention actually says. The right read of the Indian outcome for a non-property share sale by a UK returnee usually starts with Section 5 and Section 6(6) of the Income-tax Act and only reaches the treaty where there is real overlapping tax to resolve.

4. ISAs, SIPPs, and the wrappers that do not travel

An ISA is a UK domestic tax shelter, not an internationally recognised one. Once you are an Indian tax resident, income and gains inside an ISA wrapper sit on top of the same Section 5 scope analysis as any other foreign holding. While RNOR, foreign-source gains inside an ISA are generally outside the Indian net on the same footing as any other foreign brokerage account; once ROR, the wrapper is invisible to Indian law and the underlying is in full worldwide scope.

A SIPP is more complex. Some payments out of a SIPP may fall within the pensions article of the India-UK DTAA, but lump sums and crystallisation events do not always map neatly to a single article and may need separate classification depending on whether the pension is occupational or personal, lump-sum or annuity, and the source-of-contributions facts. Lump-sum and crystallisation events out of a SIPP after Indian residence is one of the single most-mishandled UK-to-India items in practice, and one where treaty interpretation drives the outcome.

The practical implication: the ISA wrapper does not function as a tax-free bucket for Indian-side planning, and the timing of any SIPP crystallisation around the year of Indian tax residence is a question for a UK pensions adviser and an Indian CA together, not a DIY decision.

5. The receipt-location question, which is where this goes wrong

Section 5 asks two questions of a foreign gain: did it accrue or arise in India under the source rules in Section 9, and was it received in India. The first is usually no for a foreign-listed security sold through a UK or foreign brokerage. The second is where returnees lose the carve-out.

Indian case law reads "received in India" as anchored on first receipt — where income lands the first time it accrues to the taxpayer. The proposition is supported by CIT v. P. Firm, Muar (1965) 56 ITR 67 (SC), among others. On that doctrine, sale proceeds settling into your UK broker's cash account look like a receipt outside India, and a later remittance of the same money to an Indian rupee account looks more like a movement of capital than a fresh receipt of income. Sale proceeds wired directly to an Indian NRO account on settlement instructions, by contrast, create a materially weaker position because the first receipt point itself is arguably in India.

Pattern                                       Indicative Section 5 read
Sell in UK broker, proceeds sit there          Foreign-source, arguably first received abroad
Sell, proceeds wired same-day to INR account   Fact-specific; first-receipt point matters
Already received abroad, later remit to        Remittance, not a fresh receipt of income
   India

The most common UK-returnee misstep is closing the UK brokerage too eagerly and routing settlement directly to an Indian account, which can materially increase the risk of an Indian "received in India" characterisation under Section 5(1)(a) — exactly the gain you were trying to keep out of the Indian net.

6. A few questions to take to the cross-border conversation

• Statutory Residence Test split-year treatment for the year of departure under Schedule 45 of the Finance Act 2013, and whether your facts qualify for split-year under a particular case in that Schedule.
• Whether §10A temporary non-residence is a real risk on the assumption you might become UK-resident again, and how the planning answer changes if there is any realistic boomerang scenario.
• Length of your Indian RNOR window under Section 6(6) for your specific prior non-resident history — two resident previous years versus three changes the harvesting budget.
• First-receipt location for the sale proceeds, and how the UK brokerage is being closed or kept open through the transition.
• ISA and SIPP timing, lot-by-lot, around the date you become Indian tax resident, especially any SIPP crystallisation events.
• DTAA Article 4 tie-breaker analysis for any year where both countries' domestic tests would call you resident.
• Whether Section 90, Rule 128, and Form 67 mechanics are in scope for any year of overlapping tax, and the on-time filing requirement under Rule 128(9).

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A note on what this is. This article is one returnee's working notes, not personalised advice. Numbers age. Rules change. The only person who can sign off on your specific case is a qualified cross-border chartered accountant (and, for the UK side, a UK tax adviser) looking at your full facts. Use this as a checklist of questions to take to that conversation, not as the answer.

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Sources:

• Income-tax Act, 1961 — Sections 5, 6, 6(6), 9, 90 (full text PDF: IndiaCode bitstream)
• Income-tax Rules, 1962 — Rule 128 (Foreign Tax Credit mechanics) and Form 67; filed via the Income-tax e-Filing portal (incometax.gov.in foportal, eportal.incometax.gov.in)
• Taxation of Chargeable Gains Act 1992 — §10A (temporary non-residence) (legislation.gov.uk TCGA 1992 s.10A)
• Finance Act 2013, Schedule 45 — Statutory Residence Test (legislation.gov.uk FA 2013 Sch 45)
• HMRC Capital Gains Manual — temporary non-residence (CG26590+) (HMRC CG26590) and non-resident CGT on UK land / property-rich companies (CG73920P) (HMRC CG73920P)
• India-UK Double Taxation Convention — published treaty text and current synthesised version (GOV.UK India: tax treaties, 2020 UK-India synthesised text)
• CIT v. P. Firm, Muar (1965) 56 ITR 67 (SC) — first-receipt doctrine under what is now Section 5 of the Income-tax Act, 1961