Dempo Sports Club, Goa, consolidated their position atop the table after getting past Kolkata giants Mohammedan Sporting 1-0 in an eighth National Football League match in Kolkata on Friday.
Prolific scorer Sunday Seah scored the only goal of the match in the 17th minute of the opening session to enable the Goans maintain their unbeatable record in the high-profile league.
It was the Liberian striker's sixth goal and made his the leading scorer of the tournament.
Dempo, who registered their sixth victory in the ongoing edition of the NFL, have so far culled 20 points from eight outings.
The match at the Salt Lake stadium never rose to great height, as both sides showed lack of cohesion.
Dempo sized up their opponents for the first quarter of an hour before launching into the offensive, and struck the winner from a set-piece situation, taking the Sporting defenders by surprise.
Madhav Das's measured free-kick from near the box went to Seah, who put the ball home for his sixth goal in the league.
Stung by the reverse, Sporting attacked with gusto, but the Dempo defenders held firm.
In the 24th minute, Sporting medio Bungo Singh's shot went wide. They maintained the momentum in the second session, and twice Edeh Chidi came close to scoring. First his spectacular side volley missed the target, before his fine header went out.