What do you actually need to know before landing in Delhi or Mumbai? Not the Instagram version. The practical version: which visa to get, how to avoid getting sick, how to book a train without losing your mind, and what things should cost. Here is the field manual. Visa and Entry: The 30-Day e-Visa Is Usually Enough Most tourists overcomplicate this. India’s e-Visa system works well for standard tourism. You apply online, pay the fee, and get approval via email before flying. The 30-day e-Tourist Visa costs around $25–$40 depending on your nationality and season. It is double-entry, which matters…