What it means is an employer/biz operator in the unorganised sector is not registered with the gov for tax purpose.
It doesn't mean the employees are 'organised' or unionised.
For example a burger flipper at McDonald belongs to the organised sector.
A construction worker often is not. A snake charmer definitely is not.
.........
Even if Modi wants to helicopter drop money on them, how to start fairly? 'Social distancing' is impractical there.
right click to new window: https://www.geographyandyou.com/the-unorganised-workforce-of-india/