5-7 years back, Aditya Sir when I used to frequent in the Sijua, Katras belt, I can attest that there were a literal crowd of people whose livelihood literally depended on the train.
After DC line closed, and then post COVID when express fares were levied on passenger trains, the entire landscape changed for these folks.
Now, from I gather from my friends there, most of them have turned to illegal coal mining...