High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! Kaimur is an administrative district in the state of Bihar in India. The district headquarters are located at Bhabua. The district occupies an area of 3363 km² and has a population of 1,284,575 by bandits. Kaimur district is a part of Patna division. Kaimur was established in 1991. It was sectioned off from the Rohtas district. The earliest evidence of human habitation in the district consists of rock paintings in the Lehda forest that date to around 20,000 years ago.