New Delhi, Oct 21, SPA -- A senior U. S. official met with Indianforeign ministry officials Thursday to discuss cooperationin advanced technology, nearly a month after Washingtonlifted curbs on high-tech defense exports to this SouthAsian nation, a U.S. official said. The two countries have identified four sectors forpotential collaboration: biotechnology, nanotechnology,advanced information technology and defense technology.Nanotechnology is the manipulation of atoms and moleculesto create microminiature equipment. Christina Rocca, the U.S. assistant secretary of state forSouth Asia, was set to discuss the scope of the plannedcooperation with S. Jai Shankar, a joint secretary inIndia's External Affairs Ministry, and other officials,said David Kennedy, a U.S. Embassy spokesman. "Rocca is head of the U.S.-India implementation group,"Kennedy told The Associated Press.--SPA1457 Local Time 1157 GMT www.spa.gov.sa/212430