Kolkata:It was a do or die situation for Mohun Bagan Club who needed to beat Maldivian team Valencia on their home turf and they did that today in style. Bagan thrashed Valencia 3-0 to secure a berth in the third round of the AFC championship. In the first leg match of the second round played at Kolkata, the teams had drawn 2-2. As a result Bagan were under pressure as they had to win with a three goal margin to go to the next round. Mercurial striker Bhaichung Bhutia and Brazilian Jose Ramairez Barretto were among the scorers. Bagan will now play South Korea.