India defeated Korea in their fourth round-robin match of the Sultan of Johor Cup, Under-21 hockey tournament at Johor Bahru in Malaysia today. The 6-1 win leaves India unbeaten in the tournament so far. India are on top of the table with 12 points from four games. This should be enough for a place in the final. India's goal difference is also the best among six teams. India defeated arch-rivals Pakistan 4-0 in their third game yesterday.In today's other match, England routed Argentina 3-Nil, to register their first victory.Hosts Malaysia will play against Pakistan. If Malayasia overcomes Pakistan then Malayasia will also be placed for the final. The top two teams after the round robin matches will play in the final, while the third and fourth-place outfits will fight for the bronze medal.