Pune: A goalkeeping howler from Shilton Paul helped bottom-placed Kalyani Bharat FC stun league leaders Mohun Bagan 1-0 in an I-League match at the Shree Shiv Chhatrapati Sports Complex here yesterday.

With the victory, the fight for the league title hotted up with just Mohun Bagan’s lead slashed to a single point after the 16th round.