US President Donald Trump’s decision on June 24 to suspend the H-1B visa scheme for highly-skilled foreigners has dealt a blow to the immigrant-reliant US tech sector and Indian tech workers, who receive a majority of these visas.Officials said the sweeping executive order, which will keep visas frozen until the end of the year, would save some 500,000 jobs for US citizens instead of falling into the hands of immigrants.Indian immigrants, hired by both American tech firms and US-based Indian…