Dhanbad district is one of the twenty-four districts of Jharkhand state, India, and Dhanbad is the administrative headquarters of this district. As of 2011, it is the second most populous district of Jharkhand (out of 24), after Ranchi. It also has the lowest sex ratio in Jharkhand, at 908. Dhanbad is also known as the coal capital of India, due to extensive coal mining industry that dominates the district.[citation needed] From Wikipedia
