A brace from Pereyra Diaz and strikes from Lallianzuala Chhangte and Alberto Noguera sealed the win for the hosts while Iker Guarrotxena was on the scoresheet for the Gaurs.
Pereyra Diaz's brace took him to the top of the league's goalscorers chart this season, while Lallianzuala Chhangte and Alberto Noguera also got on the scoresheet.
Everyone barring four first-team players away on Durand Cup duties joined the contingent which began practice here at the Salvador do Mundo Panchayat Football Ground on Friday.
Muhammed Nemil opened the scoring with a beautiful outside-the-box finish (34') but three second-half goals from Pritam Singh (49'), Faslu Rahman (84'), and a stoppage-time goal from skipper Marcus Joseph (90+3') were enough to seal the deal for the night.
The Gaurs arrived at Kolkata for the tournament on Sunday ahead of the club's third campaign at the Durand Cup, having previously played in the 2019 and 2021 editions. So far, the club have remained unbeaten in the tournament and would look to extend their solid run.
Born in the state of Mizoram, Chhetri started playing football at the very young age of five. He rose to prominence for the first time when he got selected to Aizawl FC's U15 and U18 teams for the Youth League.