The Fijian met the corner kick by Ahmed Jahouh with utmost precision and slotted it into the net from close range.
Victor Rodriguez scored in the 84th minute to give Goa a 1-0 win.
It was Mohun Bagan's fourth successive win and helped them regain the top spot.
However, NorthEast United's Michel Zabaco and Ibson Melo injected precision gameplay with their exemplary output in the 10 minutes of added time.
Punjab’s talismanic forward Luka Majcen was marked closely by Elson José Dias Júnior until the end.
A brilliant freekick goal in the 76th minute helped Jamshedpur get their first win of the season
Blasters have accumulated six points from their two matches.
The match also promises to be a battle between Blasters' playmaker Adrian Luna and Jamshedpur's iron wall Elsinho.
East Bengal failed to capitalise on the home advantage at the Salt Lake Stadium.
The result meant that Simon Grayson's men reached a third final of the 2022-23 season, having made the summit clash of both the Durand Cup and the Indian Super League.