Kamala Devi opened scoring in the third minute even before the spectators could settle down. The early goal instilled more vigour into the Indian team to change the gear in their pursuit of more goals.
At the half-hour mark, the referee awarded a penalty in the favour of the hosts and 'AIFF Women's Player of the Year' Sasmita Malik did not waste the chance to double the lead from the spot.
In the dying minutes of the first half, Grace joined the party to take the scoreline to 4-0.
After the changeover, it was a completely different Afghanistan outfit who came out of the dressing room and the game was not a one-way traffic anymore.
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Afghanistan players tried to control the game from their half and started building attacks to break the Indian defiance.
Muhtaz Farkhunda tapped it home to net their first goal of the tournament sending the Afghanistan dressing room into celebration.
Three minutes later, 'AIFF Emerging Player of the Year' Sanju completed the tally for the defending champions.
India will take on neighbours Bangladesh on December 31 while Afghanistan will meet Bangladesh in their must-win fixture on December 29.