USA have electronic system for travel authorization for travelers. USA ESTA Visa is attached to VWP this is visa waiver program. If you are travelling to US for a short time this is up to 90 days and also you belong to a VWP USA . Then you definitely don’t want taking a valid visa.
Tourists from VWP international locations are allowed to visit US for 90 days with out taking a valid visa. but they want taking permission of the branch of place of origin protection for visiting. VWP visitors need on line permission for travelling to US. They need supplying their passport and different journey related information in an online form to the DHS.
Permission for travel can be requested seventy two hours before tour and the permission is granted within a minute but the DHS officials have the proper to deny visa, if they find anything suspicious inside the application. Travelers should submit an online application referred to as ESTA USA Visa to get permission for journey.
Apply Online ESTA USA application on line form is available on government web sites and additionally there is third-party websites that provide assist in filling ESTA form at a meager service charge.