Indian SIMs require an Aadhaar-linked KYC process effectively unavailable to foreign visitors — even the e-SIM-store kiosks at Delhi and Mumbai airports turn most tourists away. An eSIM is the cleanest workaround: install before your flight, scan the QR, you've got data when you land.
- Best for
- Delhi-Agra-Jaipur Golden Triangle trips; Kerala backwater tours; Goa beach holidays; tech-business travellers shuttling between Bangalore and Hyderabad; pilgrimages to Varanasi or Rishikesh.
- Networks
- Roams onto Reliance Jio, Airtel, and Vi (Vodafone Idea). Jio has the broadest 4G/5G reach across rural India and is usually the fastest in tier-2 cities; Airtel is more dependable in dense urban core areas.
- Travel tip
- Cellular coverage on the Indian Railways long-haul routes drops in and out for hours at a stretch — pre-download IRCTC tickets, hotel directions, and rideshare addresses before boarding.