Hosts Karnatak Sporting Association (KSA) scored a 3-1 win against Ordnance Factory, Ambernath in a Group-D league match of the 2nd Late Shri Vishwanath Anchan Memorial Veterans’ Football tournament at the Cross Maidan here on Monday. Earlier, defending champions Maharaja (Air India) shared honours with Tarun Sporting as they were locked in a goalless draw in Group-A match.