Orissa defeated Assam by 57 runs to gain four points in a league match of the East Zone Senior Women Twenty20 Cricket Tournament at Guwahati today. Stumper Kadambini Mahakud starred in the victory with a 46-ball 47. Brief scores: Orissa: 105/5 in 20 overs (Kadambini Mahakud 47: Ritu Dhruv 2/11) beat Assam: 47/9 in 20 overs (Ankita Das 2/10, Priyaka Sahu 2/13).