SS Das, Niranjan Behera, Subit Biswal and Pravanjan Mullick fell in quick succession. Then Awana struck twice in two balls to dismiss Halhadar Das and Khatua to put paid any hopes the visitors may have had.
Delhi now have 11 points from five matches and need outright wins in their remaining two matches to make it to the last eight. They next play Saurashtra in Rajkot.