Jharia is famous for coal mines. The mines caught fire nearly 100 years ago and is still burning. But from 2000s, the fire spread on a rapid scale and as a result, the Dhanbad Chandrapura line was closed in 2017. It was reopened after protest and now trains run on a very low MPS on that line.
An interesting fact: Many trains were diverted, and some permanently cancelled because of the closure of this line. Even HWH RNC shatabdi was diverted and used to have a reversal at Gomoh