Jharia is a neighbourhood in Dhanbad city in Dhanbad Sadar subdivision of Dhanbad district in Jharkhand state, India. Jharia's economy is heavily dependent on the local coal fields, used to make coke. However, fires in the coal fields have made the city heavily polluted, with several government studies recommending relocation of much of the populati…Jharia is a neighbourhood in Dhanbad city in Dhanbad Sadar subdivision of Dhanbad district in Jharkhand state, India. Jharia's economy is heavily dependent on the local coal fields, used to make coke. However, fires in the coal fields have made the city heavily polluted, with several government studies recommending relocation of much of the population to nearby Belgaria.