Travel in U.S.
USA visitors visa is required by any foreign citizen who wants to enter into the United States. The US visa must be be stamped/ placed in the traveler’s passport.
Certain international travelers may be eligible to travel to the U.S. without a visa if they meet the requirements for visa-free travel to USA.
Based on the purpose of the trip there can be a specific visa type. If the purpose of the trip is Tourism, business or medical treatment the visa is generally known as “B1/B2″ visa.
The purpose of your intended travel and other facts regarding your plans will determine what type of visa is required under American immigration law. It’s important to have information about the type of nonimmigrant visa you will need for travel, and the steps required to apply for the visa at a U.S. Embassy or Consulate abroad.