The Indian tourist visa is a travel authorization to international travelers with the sole purpose of tourism or other non-business related purposes. the Government of India launched the Indian e-Visa system for foreigners traveling to India. If you are from the United States, the UK, and many other countries you need a passport and a Visa to visit India for traveling.
In order to submit your application, we require the following documents:
A digital copy of the bio page of your passport in PDF format.
A digital passport photo in JPEG format.
A credit/debit card or PayPal account for the payment.
The Indian e-Visa is not available to Diplomatic / Official Passport Holders. You will also be a colored passport-sized photograph of you that was taken recently. Its size should not be more than 3MB. The background should be white for clarity of the image.
https://indianvisasgov.in/indian-etourist-visa/