9 Shramik special train passengers dead, a report

Nine passengers who travelled via special shramik trains in order to reach their hometowns have lost their lives for one reason or the other. In one such viral video, a toddler is seen trying to wake up his dead mother on a railway platform but in vain
The question here is why are the passengers dying?

Take a look at the report to understand the present situation of the Shramik trains and migrants