Former champions Orissa prevailed over MTNL, Mumbai by 100 runs to register their second successive victory in the All-India BSNL Cricket Tournament at DAV College ground in Chandigarh on Monday. All-rounders Niranjan Behera and Paresh Patel put up impressive performance for Orissa, scoring a half-century each and sharing seven wickets. Orissa next meet Himachal Pradesh on Tuesday. Brief scores: Orissa 180/8 in 30 overs (Paresh Patel 56, Niranjan Behera 56) beat MTNL Mumbai 80/10 in 21.2 overs (Niranjan Behera 4 wkts, Paresh Patel 3 wkts, Tukuna Sahu 2 wkts) by 100 runs.