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Unlimited data? Nomad
Bottom line: India is the clearest case anywhere for arranging data before you fly, and the reason changed in 2026. Since 1 April 2026 every foreign passport holder must file an e-Arrival Card online — free, on the Bureau of Immigration’s portal, within 72 hours before arrival — and present the QR-coded acknowledgement at check-in and at immigration. It replaced the paper disembarkation card that cabin crew used to hand out, so the form now has to be completed while you still have a connection. Meanwhile a local Indian SIM is not a ten-minute errand: it requires your passport, your Indian visa, a photo and a local address, and activation is measured in hours, not minutes. None of this is a criticism of the networks, which are among the cheapest and most heavily used on earth — India passed 1.306 billion wireless subscribers in July 2026. The decision is about your first twenty-four hours, not about coverage or price per gigabyte.
This page was rebuilt from scratch in August 2026 against primary sources: the Bureau of Immigration on the e-Arrival Card, the Government of India’s e-Visa portal on eligibility and length of stay, the Telecom Regulatory Authority of India (TRAI) on subscriber numbers and operator share, the Department of Telecommunications and an Indian mission’s own published guidance on tourist SIM issuance, and the GSMA specification against which every eSIM profile is issued. It is deliberately not a ranked table of package prices, because in India the price per gigabyte is not the variable that goes wrong.
- The e-Arrival Card rewrote the first hour of your trip
- Why a local Indian SIM is not a ten-minute errand
- What the regulator’s numbers say about the networks
- Indian operator eSIM vs international travel eSIM
- The visa mechanics that decide how much data to buy
- Checks worth doing before you buy anything
- FAQ
- Do I have to file the e-Arrival Card, and when?
- Can I buy an Indian SIM at the airport on arrival?
- Does an eSIM from Jio or Airtel skip the paperwork?
- Why does an international travel eSIM not need Indian KYC?
- How long can I stay on an e-Tourist Visa?
- How long is a tourist SIM valid?
- Which Indian network should my eSIM roam onto?
- Is 5G worth paying extra for in India?
- Sources (primary)
The e-Arrival Card rewrote the first hour of your trip
For sixty years the routine was the same: a flight attendant handed out a paper disembarkation card somewhere over the Arabian Sea, you filled it in with a borrowed pen, and you handed it to the immigration officer. That is over. From 1 April 2026 India requires an e-Arrival Card, filed online on the Bureau of Immigration’s portal, from every foreign passport holder and from OCI cardholders.
The mechanics matter more than the headline. The card must be filed within 72 hours before arrival — not earlier, not on landing. It is free and requires no document uploads. On submission the system generates a QR-coded acknowledgement which you present at airline check-in and again at Indian immigration. And there is a trap worth repeating: if you close the browser without saving the acknowledgement, you cannot retrieve it. Screenshot it, download it, and email it to yourself.
Read that as a connectivity requirement rather than a paperwork requirement. The 72-hour window opens while you are still at home or in transit, which is fine if you are on hotel Wi-Fi and awkward if you are on a long multi-leg itinerary. What it definitively removes is the old fallback of “I’ll sort my phone out when I land” — because the thing you now need before you land is a working browser and a saved file.
An international travel eSIM installed before departure covers this cleanly: the profile is provisioned by the issuing operator in its own jurisdiction and becomes active when you arrive, so you have data in the immigration hall if you need to re-open the acknowledgement. It does not exempt you from filing the card, and nothing does.
Why a local Indian SIM is not a ten-minute errand
India runs one of the stricter subscriber-identification regimes in the world, and it applies to visitors without exception. To activate any Indian mobile connection — physical SIM or an Indian operator’s eSIM — a foreign national must complete KYC (Know Your Customer) with a passport, a valid Indian visa, a photograph, and a local address such as a hotel booking. Jio and Airtel operate counters in the arrivals area at the major international airports, and that is the path most visitors take.
The part that surprises people is the clock. Verification is not instant: reported activation times run from roughly two hours to twenty-four hours after documents are submitted, and a late-night arrival can mean waiting until the next working morning. If your plan is to land at 02:00, take a prepaid taxi, and message your family that you arrived, a local SIM will not be doing that job for you.
The government’s own published scheme is narrower than most travellers assume. An Indian mission’s page describing the tourist SIM facility sets out a BSNL scheme in which the operator collects the e-Visa copy and the passport’s first page on arrival, issues a SIM valid for 30 days from activation or until the e-Visa expiry, whichever is earlier, and activates it after an SMS confirmation. Note two things: that scheme is tied to e-Visa arrivals specifically, and the page has clearly not been refreshed in some time — the worked example in the activation instructions uses a 2017 date. We are citing it because it is the government’s own statement of how the facility is meant to work, not as a description of what a Jio counter will do for you this month. Verify at the counter.
The practical shape of the decision, then: an international travel eSIM gets you online in the immigration hall and needs no documents; an Indian SIM gets you a +91 number and domestic rates but costs you a queue, your passport details and a wait. If you need a local number for a delivery app, a bank, or a rental deposit, do the errand on day one rather than day three. If you only need data and maps, the eSIM is the whole answer.
What the regulator’s numbers say about the networks
India’s market is regulated by TRAI, which publishes monthly telecom subscription reports. The scale is difficult to overstate: the wireless subscriber base reached 1.306 billion in July 2026. For June 2026 the operator split was Jio 503.58 million (39.27%), Airtel 486.79 million (37.96%), Vodafone Idea 198.82 million (15.50%) and BSNL 93 million (7.25%), and 5G fixed wireless access passed 13.2 million subscribers across Jio and Airtel.
Two readings matter for a visitor. First, this is a genuine duopoly at the top: Jio and Airtel together carry more than three quarters of connections, and a travel eSIM roaming onto either will behave well in cities, on the main rail corridors and along the highways. Vodafone Idea’s share has been declining and BSNL’s footprint is thinner outside its strongholds, so a plan that pins you to those networks is a worse bet.
Second, the sheer density is why Indian mobile data is cheap and why congestion, not coverage, is the usual complaint. In a crowded market, evening peak in a dense urban area is where you notice throughput. That is a property of the radio network at that hour, and no package upgrade fixes it.
The honest limitation of this section: TRAI reports connections, not experienced quality, and it does not publish per-route coverage. For a Himalayan trek or a desert itinerary in Rajasthan, assume gaps and download offline maps regardless of what you buy.
Indian operator eSIM vs international travel eSIM
Both Jio and Airtel support eSIM profiles, so “India has eSIM” is true — but for a foreign visitor the eSIM form factor does not remove the KYC step. Getting an Indian operator’s eSIM still means presenting passport, visa, photo and local address at an authorised store or counter, and still means waiting for activation. The convenience of eSIM here is about not swapping a physical tray, not about skipping the paperwork.
An international travel eSIM is a different product with a different legal position. It is a roaming profile issued by a foreign operator under the GSMA consumer Remote SIM Provisioning standard, and you are that foreign operator’s subscriber using an Indian network for radio access. No Indian KYC applies to you because you are not entering an Indian subscriber relationship. That is why it works from the moment you land.
The trade-offs are real and worth stating plainly. A travel eSIM is usually data-only, so no +91 number and no domestic voice. It is priced per gigabyte at foreign-operator rates, so it is more expensive than an Indian prepaid pack — Indian domestic data is among the cheapest anywhere, and no travel product will match it. And on a long stay, that gap compounds.
A defensible pattern on a dual-profile handset: travel eSIM as the arrival and backup line, plus an Indian prepaid connection obtained on day one if you are staying more than about a week or need a local number. Short trip, data only — eSIM alone is the simpler answer.
The visa mechanics that decide how much data to buy
Most visitors travel on the e-Tourist Visa. The Government of India’s e-Visa portal is the only place to apply; it is open to nationals of a large list of countries and issues 30-day double-entry, one-year multiple-entry and five-year multiple-entry variants. Maximum stay per visit is generally 90 days, extended to 180 days for nationals of the United States, the United Kingdom, Japan and Canada. Processing is typically a few business days, and e-Visa entry is restricted to a designated list of international airports and seaports — arriving overland on an e-Visa does not work.
This is a data-planning input rather than trivia. If you hold a one-year multiple-entry e-Visa and expect several trips, monthly-renewable or regional products usually price better than stacking short tourist packages. If you are on a 30-day double entry, note that the government’s own tourist-SIM scheme caps validity at the e-Visa expiry, so a local connection cannot outlive your permission to be in the country.
Apply only through the official portal. India’s e-Visa attracts an unusually large ecosystem of look-alike sites charging a markup for a form you can complete yourself for the government fee, and the same is true of the e-Arrival Card, which is free.
Checks worth doing before you buy anything
- File the e-Arrival Card in the 72 hours before arrival and save the QR acknowledgement to your phone. You cannot retrieve it later if you close the page.
- Have working data before you land, not after. The card, your hotel address and your ride booking all assume a connection.
- Decide whether you actually need a +91 number. If yes, budget a counter visit with passport, visa, photo and hotel booking, and expect hours rather than minutes.
- Check your e-Visa entry point. e-Visa admission is limited to designated airports and seaports; overland crossings are not covered.
- Size the package to the stay, not the trip. On stays beyond a week, an Indian prepaid pack is dramatically cheaper per gigabyte than any travel product.
- Verify eSIM support on your handset against the GSMA specification, especially for phones bought in markets with carrier-locked variants.
- Download offline maps for hill, desert and rural routes. Density is an urban phenomenon.
FAQ
Do I have to file the e-Arrival Card, and when?
Yes. Since 1 April 2026 every foreign passport holder and OCI cardholder must file it online on the Bureau of Immigration’s portal within 72 hours before arrival. It is free, needs no uploads, and produces a QR-coded acknowledgement you show at check-in and immigration. Save it immediately — it cannot be retrieved once you leave the page.
Can I buy an Indian SIM at the airport on arrival?
Yes, Jio and Airtel operate counters at the major international airports, but “buy” and “working” are different moments. You will need your passport, your Indian visa, a photo and a local address, and activation commonly takes from about two hours up to twenty-four. A late-night arrival can push it to the next morning.
Does an eSIM from Jio or Airtel skip the paperwork?
No. Indian operators do offer eSIM, but the KYC requirement attaches to the connection, not to the form factor. A foreign visitor still presents passport, visa, photo and local address, and still waits for activation. The eSIM only saves you a physical card.
Why does an international travel eSIM not need Indian KYC?
Because you are not becoming an Indian subscriber. A travel eSIM is a roaming profile issued by a foreign operator under the GSMA’s consumer Remote SIM Provisioning standard; the Indian network provides radio access only. That is also why it is data-only in most cases and why it costs more per gigabyte than an Indian domestic pack.
How long can I stay on an e-Tourist Visa?
Generally up to 90 days per visit, extended to 180 days for nationals of the United States, the United Kingdom, Japan and Canada. Variants include 30-day double entry, one-year multiple entry and five-year multiple entry. Apply only through the government’s official e-Visa portal.
How long is a tourist SIM valid?
Under the government’s published tourist-SIM scheme, 30 days from activation or the e-Visa expiry date, whichever comes first — so a local connection cannot outlast your permission to be in the country. Commercial prepaid packs sold at operator counters have their own validity periods; confirm at the counter rather than assuming.
Which Indian network should my eSIM roam onto?
Jio or Airtel. TRAI’s June 2026 figures put them at 39.27% and 37.96% of wireless connections respectively — together more than three quarters of the market — with Vodafone Idea at 15.50% and BSNL at 7.25%. In cities and on main corridors the top two are comfortable; the difference between them rarely decides a trip.
Is 5G worth paying extra for in India?
Rarely, for a visitor. 5G is genuinely deployed — fixed wireless access alone passed 13.2 million subscribers by July 2026 — but a traveller’s bottleneck is usually evening congestion in dense areas or an absence of signal on rural routes, neither of which a generation upgrade solves.
Sources (primary)
- Bureau of Immigration, Government of India — e-Arrival Card — the official free portal for the card that has been mandatory for foreign passport holders and OCI cardholders since 1 April 2026, filed within 72 hours before arrival, producing the QR-coded acknowledgement shown at check-in and immigration.
- Government of India — Indian e-Visa portal — the only official application route, covering eligibility, the 30-day double-entry, one-year and five-year variants, per-visit stay limits, fees and the designated airports and seaports where e-Visa entry is permitted.
- Telecom Regulatory Authority of India — Telecom Subscriptions Reports — the monthly series behind the 1.306 billion wireless subscriber figure for July 2026 and the June 2026 operator split (Jio 503.58m / Airtel 486.79m / Vodafone Idea 198.82m / BSNL 93m).
- TRAI — Telecom subscription press release (July 2026) — the underlying press release for the subscription figures, for readers who want the primary document rather than a summary.
- Embassy of India — Introduction of SIM cards for foreign tourists — an Indian mission’s published description of the e-Visa tourist SIM facility: documents collected on arrival, 30-day validity or e-Visa expiry whichever is earlier, and the SMS activation step. Note that the page’s worked example carries a 2017 date, so treat it as the scheme’s stated design rather than current counter practice.
- Department of Telecommunications, Government of India — the ministry responsible for subscriber verification rules that make passport, visa, photograph and local address mandatory for a foreign national’s connection.
- Bureau of Immigration, Ministry of Home Affairs — the authority behind arrival formalities and the body that replaced the paper disembarkation card with the digital e-Arrival Card.
- GSMA — eSIM specifications and device support — the consumer Remote SIM Provisioning standard that every eSIM profile is issued against, and the authoritative record of which handsets implement it.
Regional itineraries behave under different rules and are worth reading separately: Thailand, Singapore and Malaysia have far lighter identification requirements than India, the United Arab Emirates is the usual connecting point, and the country index covers the rest.
Editorial note: this page is written from the Bureau of Immigration’s own portal, the Government of India’s e-Visa service, the national telecom regulator’s published subscription series, an Indian mission’s statement of the tourist SIM facility, and the GSMA’s eSIM specification — not from other travel blogs and not from eSIM providers’ marketing copy. Where a figure has a date attached, that date is the reporting period, not the day we published. Entry rules changed materially in April 2026 and subscriber data is republished monthly, so verify at the moment of booking. Where we could not confirm something from a primary source — current counter practice for tourist SIM issuance, for instance — we have said so rather than fill the gap. Our sourcing and correction policy is on the about page. Last updated 30 August 2026.
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