Indian e-Visa, is the online authorization given by the Government of India to the International Travelers for different purpose like sightseeing, recreation, casual meet with friends/family, short duration medical treatment, yoga, attending seminars/conferences, etc.. One can get the Indian e-visa maximum 2 times per year, issued by the Indian Government on the basis of the below categories. 1. Indian e-Tourist visa (multiple entries with a validity of 365 days) 2. Indian e-Business visa (multiple entries with a validity of 365 days) 3. Indian e-Medical visa (triple entry with a validity of 60 consecutive days) 4. Indian e-Medical Attendant visa (triple entry with a validity of 60 consecutive days) 5. Indian e-Conference visa (single entry with a validity of 30 days) One can obtain the e-Visa within 3-4 days time period as mentioned by the official site of Visa by Indian Government https://indiaevisas.org/ . So one can apply for e-Visa before 10 days of visiting India to be on the safer side, because if the documents are not uploaded properly, then you might would have to reapply. In case of Emergency visa, one can obtain it in 24 hours. So, it's an easy & hassle free process to visit India.