Which one of the following irrigation canals is the most important in

Which one of the following irrigation canals is the most important in terms of area coverage in Haryana ?

Bhakra canal
The Western Yamuna canal
Jawaharlal Nehru canal
Gurgaon canal
This question was previously asked in
UPSC NDA-1 – 2015
The Western Yamuna Canal (WYC) system is the largest and oldest irrigation system in Haryana, covering the widest area for irrigation purposes in the state.
Identifying the most important irrigation project in a specific geographical region based on its coverage area.
The Western Yamuna Canal originates from the Tajewala barrage in Haryana. It irrigates a large part of Haryana, including districts like Ambala, Karnal, Rohtak, Hissar, and Jind. While the Bhakra Canal also irrigates parts of Haryana, the Western Yamuna Canal system is generally considered more extensive within the state.