Jehanabad District in
Bihar was split from
Gaya District in 1988. It is spread over an area of 1,569 sq km. The district is divided into the blocks namely
Ghosi,
Jehanabad,
Makhdumpur,
Kako, Karpi, Sonebhadra, Bansi, Surjpur, Ratnifridpur,
Hulasganj and Modanganj. It has a population of over 1.2 million. Paddy,
wheat and
lentils are cultivated. The Phalgu is the main river.