There have been many side effects of Corona; some good, some bad. Lockdowns were response to Corona. Central government imposed lockdown on the whole country with effect from 25/3/2020 for 21 days and later extended it by 19 days. State governments have imposed lockdowns which started before central lockdown. Pollution is down. Air is clean. People of Jalandhar can see Himalaya mountains 120 miles away. Ganges is clean. Its water is potable.