The geographical extent of the Upstream of Gomti confluence to Muzaffarnagar sub-basin lies between 77° 35' to 83° 12' east longitudes and 24° 52' to 29° 37' north latitudes of the country. This forms the upstream part of Gomti river with a total catchment area of 29061 Sq.km. The sub-basin completely falls in the Uttar Pradesh state. The sub basin map is shown below: