Washington: In a series of recent changes in the visa rules and process, the United States has announced a steep increase in fees for various categories of non-immigrant visas like the H-1B, L-1 and EB-5, the most popular among Indians. The fee hike, first after 2016, will come into force from April 1.Washington: In a series of recent changes in the visa rules and process, the United States has announced a steep increase in fees for various categories of non-immigrant visas like the H-1B, L-1 and EB-5, the most popular among Indians. The fee hike, first after 2016, will come into force from April 1.