Also, why even put the wrapper packets or plastic in bins? It's the duty of government to clean (swach bharat).

No,the duty of the government is to use taxpayer money and provide garbage bins and adequate disposal facilities. The duty of citizens is to use them.

when they earn for themselves, we feel none of our business to help them anymore.

Exactly, when a person earns an honest living, it is fine not to give them money. If you want to, go ahead.

And you think these people have resources or shit to form unions?

Of course. Sanitation workers, class 3 and 4 workers in government institutions unionize all the time.

Very easy for us sitting in our homes comfortably to complain about them on Reddit.

Who is complaining about what?