<span style="color: #222222;">In Gujarat, about 300 workers of diamond units in Surat have been tested positive for coronavirus in the last 10 days. According to sources, authorities have imposed fresh restrictions on the diamond industry following this Covid19 spread. AIR Ahmedabad correspondent reports that now the main diamond trading market of Surat will remain closed twice in a week.<br />'' <br />''According to new restrictions, the main diamond markets of Surat will remain closed twice in a week, while canteens of all diamond units will remain closed on all days. According to Surat Municipal Commissioner Banchhanidhi Pani, the new restrictions have been imposed following the emergence of a large number of Covid-19 cases among the diamond workers. Moreover, diamond trading hubs in Mahidharpura, Mini Bazar and Choksi Bazar will also remain closed on all Saturdays and Sundays till the situation improves. Authorities have also asked all diamond polishing units to maintain proper ventilation in their premises for the workers. Surat Municipal Corporation and Diamond Association have set up the joint teams to monitor the strict implementation of new guidelines.</span><br />