The early history of Dhanbad and the surrounding areas of the Chhota Nagpur Plateau is largely obscure due to the lack of ancient documents or archaeological finds. Before its modern emergence, the region was inhabited by tribes, particularly the Mundari and Santal. Originally, Dhanbad was a small village within the larger Manbhum district. It is believed that the name "Dhanbad" comes from "Dhanbaid," which means "paddy land" (rice land).
The key factors in the rise and rapid urbanization of Dhanbad were the discovery of rich coal deposits and the development of transport infrastructure. Industrial coal mining, which began here around 1910, served as the primary engine of growth. The construction of the railway network during the British Raj played a crucial role, enabling the efficient transport of coal and transforming Dhanbad into a major industrial and logistics hub. The final step in establishing the city's modern status was the official formation of the Dhanbad district on October 24, 1956, when it was separated from the Manbhum district.
Dhanbad, known as the "Coal Capital of India," was shaped from the beginning as an industrial center. Its economy depended entirely on the coal mines, with over a hundred located in the surrounding area. This led to active migration and the formation of a diverse population consisting of people from various ethnic and linguistic backgrounds. In 1926, the British founded the Indian School of Mines here, now known as the Indian Institute of Technology, highlighting the city's importance as a center for the mining industry and education.