India, July 17 -- India said on Friday that it is engaging with US authorities to minimise difficulties faced by Indian nationals over American visa policies after the Trump administration unveiled stricter rules that will bar foreign students, exchange visitors and journalists from remaining in the country indefinitely.

The US Department of Homeland Security announced on Thursday that it will begin implementing stricter rules from September to prevent foreign students from staying in the country for more than four years unless they get permission from the federal government.

"We've seen some reports regarding the visa rules.Visa rules and visa functions and immigration matters are sovereign functions of any state," external affairs min...