Vasco (Goa), March 3: Heavyweights Mohun Bagan kept their slim chances of winning the I-League alive with a vital 2-1 victory over relegation-threatened Churchill Brothers at the Tilak Maidan here on Saturday. Goals from Nikhil Kadam (54th minute) and Akram Moghrabi (76th) blunted Osagie Monday’s (74th) strike to secure all three points for the Kolkata heavyweights.