The first question that will come to mind is "does the blues exist?" Indeed, it does. It's as real as our other emotions and feelings.
Sooner or later, everyone gets the blues. Feeling sadness, melancholic, or grief when you go through challenging life experience is part of being human. And most of the time, you can continue to function. You know that in time you will bounce back, and you do.
The corona outbreak is by far the biggest crisis of its kind in our living memory. To check the spread of the pandemic, the Indian government responded promptly and announced a 21 days nationwide lockdown, from 24 March 2020. Amongst many precautionary measures, it seems that the government did not adequately consider the health and psychiatric consequences of sudden non-availability of alcohol, toddy and tobacco (cigarettes, beedi, gutka, etc.) on those addicted to these substances.