The entire 57-km stretch of the Yamuna in Delhi, from Haryana where it enters the city to the Uttar Pradesh border where it exits, will be cleaned.
Sewage Flow To Yamuna In Delhi To Be Stopped In 2 Years, River To Be Clean By Dec 2027: Official

The entire 57-km stretch of the Yamuna in Delhi, from Haryana where it enters the city to the Uttar Pradesh border where it exits, will be cleaned.