Dr. Zafarul Islam Khan is the Chairman of Delhi Minority Commission. For a few days he has been a victim of severe attack from the Hindu communal forces as well as a section of media. They are targeting him for posting a tweet. The communal forces have alleged that he had threatened them of taking up the issue of Indian...

Here is a hypothetical scenario: we divide areas in to zones. We test people from zone A, which has 3 areas (a population of 100 people in total). We test 100 people, quarantine the susceptible, and isolate the infected. This way, zone A becomes the least vulnerable zone. So its people can move inside the zone more freely while no...