Video: Harbhajan Singh's hat-trick against Australian in 2001
On 11th March 2001, in a memorable Test match in Kolkata, Harbhajan Singh became the first Indian bowler to register a hat-trick in Tests, dismissing Ricky Ponting, Adam Gilchrist and Shane Warne on consecutive deliveries.
http://youtu.be/bHH5Qss73WM