In general, a U.S. visa is a sticker placed in a traveler’s passport which gives that person the right to apply for admission into the U.S. Among the information printed on the visa are the category, the expiration date, and the number of entries allowed.

The category of a U.S. visa is determined by the purpose of travel (business, tourism, study, training, cultural exchange, sports, temporary employment, etc.). The category is important because it determines which rights or privileges a traveler may enjoy.

Every year thousands of people apply for different categories of US visa, like US work visa, US immigration visa, US visitor visa or US Travel visa. Recently, the US like many other countries has updated visa policies to increase security for citizens and visitors.The process of obtaining visa includes US visa application and interviews and collection and cross checking of names in a highly sophisticated inter agency database. These name checking and registration process are necessary and crucial elements.

US Visa Lottery is another way for quick immigration. But as the name US visa green card immigration lottery suggests you need the luck to favor you.

Generally immigration process takes anything between 2-3years to be completed .The US visa green card immigration lottery fast tracks the immigration process to 2-3 months.