Washington: Making a case for revising the H1B visas upwards, the US Commerce Secretaries said high-tech businesses are facing shortages in filling up positions and lamented that students from India and China cannot stay here and apply their skills.

US Citizenship and Immigra-tion Services (USCIS) an-nounced on January 12, 2007, that it has launched a new Web-based service allowing most noncitizens to submit change-of-address information online.