Dhanbad is the second-most populated city in the Indian state of Jharkhand after Jamshedpur. It ranks as the 39th largest city in India …Dhanbad is the second-most populated city in the Indian state of Jharkhand after Jamshedpur. It ranks as the 39th largest city in India and is the 33rd largest million-plus urban agglomeration in India. Dhanbad shares its land borders with Paschim Bardhaman district and Purulia district of West Bengal and Bokaro, Giridih and Jamtara districts of Jharkhand. The city is called the 'Coal Capital of India' for housing one of the largest coal mines in the country. The prestigious institute, Indian School of Mines is situated in Dhanbad. Apart from coal, it has also grown in information technology.