Awana, who got a five-for against Haryana at Lahli in the last game, got his eighth five-wicket haul in his 41st first-class game as hosts' decision to bat on a seaming track backfired.
At stumps, Delhi reached 44 for two losing the wickets of Unmukt Chand and Mohit Sharma for 1 and 0, respectively. Both wickets were taken by H S Sharath.
Skipper Shikhar Dhawan looked in good touch and is batting on 38 with Mithun Manhas for company.
With Karnataka languishing at the bottom of the nine-team table, it was a foregone conclusion that they wanted a result oriented wicket and a track aiding seamers was doled out.
Ashish Nehra, who has always been dangerous in favourable conditions, got Robin Uthappa out of the equation in the very first over with a ball that came back in and trapped him leg before. Uthappa managed only four.
Seasoned Ganesh Sathish scored 12 before nicking one from Sumit Narwal to Puneet Bisht behind the stumps.
Also Read
Awana then cleaned up Lokesh Rahul and before the home team could reach 70, their top-order was polished off.
Stuart Binny who was the top-scorer with 61 tried to defy the odds as he added 46 runs for the seventh wicket with his skipper Ranganath Vinay Kumar (28), but that certainly wasn't enough. (MORE)