India thrashed Oman 9-Nil to enter the semi-finals of the Junior Men's Asia Cup Hockey tournament at Kuantan in Malaysia.In the quarterfinals yesterday, India dominated the game against lower ranked Oman as they sounded board 6 times at the end of first half, and finished 9-0 at final whistle. For, India Harmanpreet Singh scored a hat-trick, while Armaan Qureshi, Gurjant Singh, Santa Singh, Mandeep Singh, Harjeet Singh and Mohammad Umar scored a goal each.The Indian Colts will now face Japan in the semifinals tomorrow. Earlier, they had remained unbeaten at the group stage.