It was a listless batting show by most of the Haryana batsmen as only Sachin Rana (36) and Avi Barot (35) resisted the Karnataka attack apart from Saini.
Saini some how managed to completed his century and was the last man out. He faced 152 balls for his 109-run knock which was studded with 14 boundaries, including three sixes.
Stuart Binny scalped three batsmen at the expense of 43 runs while Abhimanyu Mithun (2/40), HS Sharath (2/68) and Ronit More (2/57) claimed two wickets each.
It was Binny, who drew the first blood for Karnataka when he broke the 53-run stand between skipper Rahul Dewan (23) and Avi Barot.
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Binny castled Barot and Sharath had the rival skipper caught behind after dismissing Sunny Singh (1). More bowled Y Tomar and in no time the hosts were 104 for four from 53 for none.
Rana and Saini then added 72 runs for the fifth wicket and when that stand was broken by Mithun, Haryana batsmen struggled to stay at the crease.
Haryana 1st innings: 247 all out in 76.5 overs.(Nitin Saini 109, Suresh Rana 36; Stuart Binny 3/43).