New Delhi: Fifty-seven per cent Indians want facial masks to continue being mandatory on flights and at airports, in the wake of a reported upsurge in Covid cases in countries like China, Japan, Brazil and the United States, found a new survey conducted by community social media platform LocalCircles. The survey, results of which were released Saturday, is based on responses from over 20,000 participants in 312 districts. While 67 per cent of respondents were men and 33 per cent were women. According to the survey, 65 per cent of respondents said they want Covid testing for all international passengers…