Upamanyu's younger brother Aryaman and crew Xerxes Bamboat finished in second spot with 15 points, while the all- girl team of Diya Correa and Zara Arsiwala was third with 21.
The sailors were given one point for a win, two points for second place and three points for third.
In the 470 Class, Chandra Shekhar and S R Rout totalled 14 points to win the title, followed by Pawan Kumar and Sukhen Sur with 18 and Atul Lande and Mahesh Yadav with 23.
The results:
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420 Class: 1. Upamanyu Dutta-Hussein Arsiwalla 10 points; 2. Aryaman Dutta-Xerxes Bamboat 15; 3. Diya Correa-Zara Arsiwalla 21.
470 Class: 1. Chandra Shekhar- S R Rout 14 points; 2. Pawan Kumar-Sukhen Sur 18; 3. Atul Lande-Mahesh Yadav 23.
Match Racing: 1. Ayaz Shaikh, Sandip Jain, Nijeesh Bhaskar and Kiran Kumar; 2. Atool Sinha, Samal Pradhan, Rahul Rai, Praveen Kumar.