JACOBABAD, a town of British India, the administrative headquarters of the Upper Sind frontier district in Bombay with a station on the Quetta branch of the North-western railway, 37 m. from the junction at Ruk, on the main line. Pop. (1931), 15,748. It is famous as having consistently the highest temper ature in India. During the month of June the thermometer ranges between 120° and F. The town was founded on the
site of the village of Khanghar in 1847 by General John Jacob, for many years commandant of the Sind Horse, who died here in 1858. The town is the centre of a thriving grain trade and a head quarters of caravans from Central Asia. It is watered by two canals. An annual horse show is held in January.