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India

Best SIM and eSIM for India: data plans, Wi-Fi and phone tips

For most trips, buy an eSIM before you fly if your phone supports it and you want data the moment you land; buy a Jio, Airtel or Vi tourist SIM at an airport counter if you need an Indian number for calls, OTPs and app sign-ups. Activation can take a few hours, and foreign SIMs do not work in Jammu and Kashmir, Ladakh and some border areas.

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Updated Sep 20266 min read

Key facts

Best for arrival-day data
Travel eSIM installed before departure; works on unlocked phones
Best for an Indian number
Jio, Airtel or Vi tourist SIM at an airport counter or brand store
Documents needed
Passport, visa and a photo
Activation time
Can take a few hours; sometimes longer
Coverage
4G almost everywhere, 5G in cities
Restricted zonescheck
SIMs issued outside India do not work in Jammu and Kashmir, Ladakh and some border areas; only postpaid local SIMs there
Public Wi-Fi
Often needs an Indian mobile number for the OTP
Typical data costcheck
Local prepaid data is cheap; 2026 estimate, check current packs

Quick answer

If your phone is unlocked and eSIM-capable, install a travel eSIM before you fly: you land with data, no queue, no paperwork. If you need an Indian number for calls, OTPs, UPI or app sign-ups, get a Jio, Airtel or Vi tourist SIM at an airport counter or a brand store — bring your passport, visa and a photo, and expect activation to take a few hours.

The two are not exclusive. Many travellers run a travel eSIM for data and keep their home number active for bank and airline codes, then add a local SIM only if a hotel, driver or booking app demands an Indian number.

Quick answer
OptionBest forFrictionCost signal
Travel eSIMData from landing, short trips, no queueMust be bought before or during the trip; no Indian numberHigher per GB than local, still modest (2026 estimate)
Airport tourist SIM (Jio, Airtel, Vi)An Indian number, calls, OTPs, long staysPassport, visa, photo; activation can take hoursCheapest data; 2026 estimate, check packs
City brand store SIMSame as airport, usually quieterStore may be closed on arrival day or need a second visitSame as airport (2026 estimate)
Roaming on your home SIMVery short trips, one phone numberExpensive data; check your operator's India packHighest per GB (2026 estimate)

By passport, month and price

Rules for buying a local SIM are the same for most foreign passports: passport, valid visa and a photo. Where travellers differ is in how easily they can complete the paperwork and how long they stay, which decides whether a local SIM is worth the first-day hassle.

Timing matters less than you would think. Monsoon rain and hill-state travel affect signal more than the month does; festival weeks affect shop opening hours more than network coverage.

  • Prices are 2026 estimates; prepaid packs change often, so check the operator's current plan at the counter.
  • Airport counters are convenient but can add 30–60 minutes at peak arrival times.
  • A city brand store is often faster on a weekday morning than an airport desk at midnight.
By passport, month and price
TravellerRecommended setupWhy
US, UK, Canada, Australia, NZ, Ireland — trip under 2 weeksTravel eSIM onlyNo Indian number needed for most hotels and cabs; saves the counter queue
Same passports — trip over 2 weeksTravel eSIM on arrival, then a local SIM in a city storeCheaper data for the long haul; airport counters can be slow at peak times
Anyone needing calls, OTPs, UPI or Indian app sign-upsLocal tourist SIM (Jio, Airtel or Vi)Public Wi-Fi and many apps ask for an Indian number
Travellers heading to Jammu and Kashmir, Ladakh or border areasPostpaid local SIM; check before you goForeign-issued SIMs do not work there (check)
June to September (monsoon)Same as above; expect slower data in hill areasHeavy rain can affect coverage and power
October to March (peak season)Buy at the airport early; counters get busyMore arrivals, longer queues at SIM desks

Step by step

Before you fly, check that your phone is carrier-unlocked. An eSIM will not install on a locked handset. Buy the eSIM from your provider, install it at home on Wi-Fi, and leave it switched off until you land. Keep your home SIM active for banking and airline codes, and set the eSIM as your data line.

On arrival, if you want a local SIM, go to a Jio, Airtel or Vi counter at the airport or a brand store in town. Hand over your passport, visa and a photo. The staff will take a photo and sometimes a fingerprint, then activate the number. This can take a few hours, so do not plan to rely on it for your first ride or hotel check-in.

Once active, load a small prepaid pack, top up with the operator's app or a shop, and save the number somewhere you can find it. Set up WhatsApp on the new number if you want drivers and hotels to reach you, and keep a screenshot of your plan and balance.

  • Unlock your phone before you travel; eSIMs need an unlocked device.
  • Install the eSIM at home on Wi-Fi, not in the arrivals hall.
  • Carry a printed or saved copy of your passport and visa for the SIM counter.
  • Keep your home SIM active for OTPs from banks and airlines.
  • Save the local number in WhatsApp and in your notes app.

Notes

Coverage is good in cities and along main rail and road routes: 4G almost everywhere, 5G in cities. Expect weaker signal in hill areas, remote national parks and some rural stretches. Data is cheap by US or European standards, but speeds vary by location and time of day.

Public Wi-Fi exists in hotels, cafés and airports, but many networks ask for an Indian mobile number to send a one-time code, which is another reason a local SIM helps. Avoid entering passwords or card details on open networks; use your mobile data for anything sensitive.

Some services are blocked or restricted, and internet shutdowns happen in areas of unrest. If you rely on a specific app for work, check before you go. In Jammu and Kashmir, Ladakh and some border areas, foreign-issued SIMs do not work at all — only postpaid local SIMs do, and rules can change, so check locally.

For payments, UPI QR codes are everywhere and some airports offer tourist UPI wallets; availability varies, so carry a card and some cash as backup.

Questions people ask

What is the best eSIM for India?

There is no single best brand; pick a travel eSIM that covers India, installs before you fly and works on your unlocked phone. Compare per-GB price and whether calls are included. If you need an Indian number for OTPs and app sign-ups, a Jio, Airtel or Vi tourist SIM is the better fit.

Does my phone work in India?

Most modern unlocked phones work on Indian 4G and 5G networks. Check that your handset is carrier-unlocked and supports the bands your operator uses. eSIM needs an eSIM-capable phone. In Jammu and Kashmir, Ladakh and some border areas, foreign-issued SIMs do not work; only postpaid local SIMs do (check).

Is Wi-Fi easy to find in India?

Hotels, cafés and airports usually have Wi-Fi, but many public networks ask for an Indian mobile number to send a one-time code. Treat open networks as unsafe for banking and use your mobile data instead. A local SIM or eSIM removes most of the friction.

How long does a tourist SIM take to activate?

Often a few hours, sometimes longer. Bring your passport, visa and a photo. Do not depend on the new number for your first taxi or hotel check-in; use an eSIM or your home roaming for the first day.

Can I use my home SIM in India?

Yes, if your operator has an India roaming pack, but data is usually far more expensive than a local SIM or travel eSIM. Roaming is a reasonable backup for a short trip or for keeping your home number active for bank and airline codes.

Do I need an Indian number for UPI and apps?

Many Indian apps and public Wi-Fi portals ask for an Indian mobile number. If you plan to use UPI or book cabs and trains through local apps, a Jio, Airtel or Vi tourist SIM makes life easier. Tourist UPI wallets exist at some airports; availability varies, so check.

Deep dive

Every source; changeable facts are marked check

Sources