Upcoming Australian pacer Gurinder Sandhu of Indian origin on Thursday toppled veteran wicketkeeper Brad Haddin to win the prestigious Steve Waugh Medal as the best New South Wales cricketer for the year 2012-13.Sandhu, the first Australian of Indian origin to represent the country in cricket at the international level, won the medal with 146 votes, three clear of Haddin.The honour has made him the first Indian and the first rookie to win the medal, ousting Haddin (143) and Trent Copeland (133) at the awards ceremony in Doltone House in Sydney.Sandhu has, so far, played only two Sheffield Shield four-day matches and four domestic limited-overs fixtures