Kudra, formerly known as Jahanabad, is a town and corresponding community development block in Kaimur district in the state of Bihar, India. It is the third largest town in Kaimur district. It is situated about 18 km from District Headquarter Bhabua. As of 2011, the population of Kudra was 30986. The railway station in Kudra is connected to all major railway …Kudra, formerly known as Jahanabad, is a town and corresponding community development block in Kaimur district in the state of Bihar, India. It is the third largest town in Kaimur district. It is situated about 18 km from District Headquarter Bhabua. As of 2011, the population of Kudra was 30986. The railway station in Kudra is connected to all major railway routes.