The Goan team won the prestigious title by playing out a 1-1 draw with Kolkata giants Mohun Bagan.
"I'm really happy, actually on top of the world. This is fantastic," a beaming Dias said.
"The credit goes to all the players and support staff as it has been a team effort all through the campaign. I believed in the team and was optimistic that we would finish first or second and here were are, at the top."
Bagan took the lead in the 26th minute through C S Sabeeth, but Churchill's key striker Sunil Chettri restored the parity and helped his team lift the title.
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With the upcoming AFC Cup campaign figuring on the club's radar, Dias said the Churchill management would certainly retain the same squad, whose key players include Chettri, Beto (Roberto Mendes da Silva) and Henry Antouchet.
"Most of the players will be retained," Dias said.
For Subhash Bhowmick, Technical Director at Churchill Bros, the triumph was a pleasant surprise for he never expected to win the title. "I never dreamt of winning the I-League, but here we are, the I-League champions."
Churchill Alemao, the patron of the club, was thrilled at his team lifting the second I-League title. "They (Mohun Bagan) came hard at us but we eventually won the title."
Asked about retaining the players, the club boss sounded confident of keeping players like Chettri and Henry, but didn't sound all too happy at the mention of Beto.