India has launched electronic travel authorisation or eTA for India which allows citizens of 180 countries to travel to India without requiring a physical stamping on the passport. This new type of authorisation is called an eVisa India (or electronic India Visa).It is this electronic India Visa Online that allows foreign visitors to visit India for five major purposes, tourism / recreation / short term courses, business, medical visit or conferences. There are further number of sub-categories under each visa type. American Citizens can apply for Indian Visa Online without coming to Indian Embassy or Indian High Commission.