Our Correspondent Mokokchung, Sep. 21 (EMN): Defending Champion Changtongya Volleyball Association (CVA) continued its winning streak from Pool D on the second day of the 15th Imchaba Master Open Volleyball Tournament at Multi-sports Complex, Mokokchung on Wednesday. Changtongya out classed Sumedem Club 12-25; 16-25. Following two wins, CVA has secured a berth for the knockout stage. From Pool A, Tuensang District Volleyball Association (TDVA) comfortably collected two wins on the second day. They beat Yimyu 25-21; 23-25; 19-25 and Kumlong Sporting Association B 18-25; 15-25. They have collected three wins till now and have positioned themselves to enter the knockout stage while Kumlong Sporting Association B is out of the tournament. From Pool B, Tuli has collected two wins today. They defeated Waromong Sports Association Jangjanglong Club 20-25; 11-25 and Volleyball For Peace B 18-25; 23-25. They have won three matches and lost one till now. While Vision Volleyball, Tuensang, has also won two matches. They beat Volleyball For Peace B 26-28; 25-19; 25-18 and Arikotong 23- 14; 25-10.