Indian Chain outplayed Formidables 99-25 International Match Points (IMPs) in the final on the concluding day of the championship at the Biswa Bangla Convention Centre in New Town here on Sunday.
Deepa Dhar finished third after defeating Lake My Love 68-42 IMPs.
The duo of Swapan Desai and Debabrata Majumder clinched the Match Point Pair Event, while the IMP Event title went to Swarnendu Banerjee and Arun Jain.
Indian Chain pocketed the winners' prize of Rs 1.25 lakh, while runners-up FORMIDABLES received Rs 60,000.
In the final, Indian Chain completely dominated the proceedings against a much stronger opponent that included players who have represented India in several international events and had recently won the U31 Transnational World Bridge Championship in China.
Displaying excellent understanding and accurate bidding, Indian Chain took a commanding lead in the opening round, scoring 63 IMPs against FORMIDABLES' 14.
The second round saw Indian Chain continue its impressive performance, adding 36 IMPs against 11 to extend its overall lead to 74 IMPs. FORMIDABLES subsequently conceded the match with one round still remaining.
Earlier, in the quarter-finals, Indian Chain defeated Alok's IV 53-37 IMPs before overcoming Lake My Love 54-13 IMPs in the semi-final.
Formidables, meanwhile, defeated Delta 35-16 IMPs in the quarter-final before edging past Deepa Dhar by just one IMP, 47-46, in a closely fought semi-final.
In the Match Point Pair Event, Swapan Desai and Debabrata Majumder topped the standings with 3,017.7 Match Points. Rana Roy and Bhabesh Saha finished second, while Binod Kumar Shaw and Sanjit Dey secured third place.
The IMP Event title went to Swarnendu Banerjee and Arun Jain, with Sujalyan Sarkar and Sanjib Ganguly finishing runners-up and Ritabrata Datta and Rajendra Sirohia taking third place.
(Reporting by Manik Banerjee)