Business visas. Tourist visas. 10-year multiple entry. PIO cards. OCI cards. H-1B. Green cards. K-1 fiancee visas. Illegal immigration. Legal immigration. Citizenship. Medical tourism. Business travel. Eco-tourism. Adventure tourism. Public service tourism. Immigration issues are complex and some of this information is very useful to know. Thousands of people are going back and forth every day for any number of reasons. This section covers original content and links from around the web in the lively world of consular and travel issues.