According to Indian law, travellers from certain countries can avail an e-tourist visa for a limited period for tourism, medical treatment, casual business or to visit friends/ relatives, etc.
For more information, visit: https://indianvisaonline.gov.in/visa/tvoa.html
All passengers are required to clear Immigration and have their passports stamped during both arrival and departure.
For information on immigration rules and regulations, visit: www.boi.gov.in