Even as India very much like the first half seized the initiative, it was not until the 55th minute that the Blue Tigers had a shy at the goal.
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Rowllin Borges (28th minute) put India ahead in the first half before Sunil Chhetri (60th) and Jeje Lalpekhlua (90+2) found the net after the break.
Where is the AFC Asian Cup qualifier between India and Macau being played? They have sealed qualification in some style in a tricky group, with two matches to spare. The triangle of Jeje Lalpekhlua, Balwant Singh and Sunil Chhetri did the trick.
That was not to be the last goal of the match as Jeje , who had an attempt blocked in the 78th minute and missed another in the 87th minute, made amends by converting a pass from Chhetri during an injury time corner to lend an emphatic touch to the scoreline.
"In the 2011 edition, we faced Bahrain, Australia and South Korea".
India are the top placed side in Group A with nine points from three matches.
Nicholas Mario de Almeida Torrão scored the lone goal for the visitors in the 37th minute.
The goal was set up by Chan Chun, who found space on the right and sent in a handsome cross.
India made a switch at half-time, with Balwant Singh replacing Jackichand, and India were then able to put more players into attack.
The ball was blocked by a Macau defender but Jeje pounced on the rebound and picked out Borges at the top of the box.
With rain making it hard for the players, India managed to get two early chances in the second and fourth minutes. However, before the Indian skipper could capitalise with the ball at his feet in the box, Macau goalkeeper Ho Fai smothered it. Earlier, they had beaten Myanmar 1-0, Kyrgyz Republic 1-0 and Macau 2-0.
"The World Cup qualifying campaign was something we had to go through".
Chetri was happy that India would be playing in the Asian Cup after missing out in 2015. This is the tournament we play for.
"This has got to be one of the best teams in Indian Football if not THE best".
Chetri lauded his teammates for their performance.
"We are going through a good run but we can't afford to take tomorrow's game lightly". Four minutes later, Balwant picked up a loose ball on the right and created some space for himself before sending in a perfectly weighted ball for Chhetri to notch up his third goal of the qualification campaign. Till then it was mostly one-way traffic - in pouring rain - as Macau battled hard to keep the Indians at bay.