India, April 19 -- In today's interconnected world, staying online while travelling abroad is no longer a luxury but a necessity. From navigating unfamiliar streets and discovering top restaurants in a city to sharing moments and updates with loved ones, a reliable internet connection is indispensable. While travellers traditionally rely on local SIM cards or international roaming plans to stay connected, eSIMs are a relatively new, game-changing technology rapidly transforming travel. Here's a breakdown of how they work.

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What is an eSIM, and how does it work? Image credit: Jbond2018, CC0, via Wikimedia Commons An eSIM, or embedded SIM (Subscriber Identity Module), is a...