Mohamed Amaan led from the front with an unbeaten century, while KP Karthikeya and opener Ayush Mhatre made fifties to hand India a comfortable 211-run victory over minnow Japan in the Under-19 Asia Cup in Sharjah on Monday. Amaan slammed an unbeaten 122 off just 118 balls, a knock studded with only seven boundaries, after India was put to bat. …