Hong Kong has banned Air India flight from Mumbai till November 10 after a few passengers tested positive for Covid-19 this week, a senior official confirmed on Monday. This is for the fourth time that Hong Kong banned Air India flights. Earlier, Hong Kong imposed a nearly 12-day ban in August, September, and October as well. According to the Hong Kong government norms, people travelling to Hong Kong from India need to have a Covid-19 negative report, procured within 72 hours of the journey.