Explanation:

Pathrala Barrage is a barrage across the Somb river, located in Yamuna Nagar District, in the state of Haryana, India.The Western Yamuna Canal, built in 1335 CE by Firuz Shah Tughlaq, excessive silting caused it to stop flowing in 1750 CE, British raj undertook a three-year renovation in 1817 by Bengal Engineer Group, in 1832-33 Tajewala Barrage dam at Yaumna was built to regulate the flow of water, in 1875-76 Pathrala barrage at Dadupur and Somb river dam downstream of canal were built, in 1889-95 the largest branch of the canal Sirsa branch was constructed, the modern Hathni Kund Barrage was built in 1999 to handle the problem of silting to replace the older Tajewala Barrage.