The Hanumannagar barrage is associated with the Kosi Project, a major irrigation and flood control initiative in Bihar. The main canal of the Kosi Project is taken from the Hanumannagar barrage. The other options refer to different dam projects: Bhakra Nangal (on Sutlej River), Indira Gandhi Project (on Beas River), and Hirakud Dam (on Mahanadi River).