India, April 24 -- Forty-one countries have a 90-day US entry without a visa under the Visa Waiver Program (VWP). Citizens of countries such as United Kingdom, Andorra, Australia, Austria, Belgium Brunei, Chile, Croatia, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Israel, Ireland, Italy, Japan, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Monaco, the Netherlands, New Zealand, Norway, Poland, Portugal, Qatar, Republic of Korea, Romania, San Marino, Singapore, Slovakia, Slovenia, Spain, Sweden, Switzerland and Taiwan can now enter the U.S. without a visa for 90 days only.

The VWP allows most citizens or nationals of the countries mentioned above to travel to the U.S. for tourism or business...