World Champions Australia are fielding an experimental side in the tournament, but they came back with vengeance in the second half.
Tushar Khandekar (19th and 32nd minute) and captain Rajpal Singh (21st) put India 3-0 up at the halftime before Australia pumped two goals through Trent Milton (38th) and Christopher Ciriello (40th).
Shivendra Singh (61st) increased the lead for India and Australia mounted pressure on the Indian defense, but it was too late when Mark Paterson's (70th) found the goal.
India are now at the top of the pool with 10 points from four matches.
India played a brilliant first half controlling the pace of the game and were sharp with their counter-attacks.
Khandekar scored the first goal off a rebound from the left side of the circle. Two minutes later India added to the tally when Rajpal, latching onto a pass from Arjun Halappa, scored from the center of the circle.
Khandekar scored his second goal as he pounced on a Mandeep Antil cross and sent the ball in.
Australia fought back in the second half with two goals before Khandekar and Shivendra combined to increase the lead.
Australia intensified their attacks but Indian defense stood solid. The Kangaroos got a consolation goal in the dying minutes of the game.
