Khan made his acting debut in 1998 with a leading role in the romance "Prem Aggan", which garnered him the Filmfare Best Debut Award. Khan rose to prominence with starring roles in the acclaimed thriller "Jungle" (2000), the crime comedy "Love Ke Liye Kuch Bhi Karega" (2001), the drama "Om Jai Jagadish" (2002), the supernatural horror "Bhoot" (2003), the romance "Janasheen" (2003), and the comedies "No Entry" (2005), "Heyy Babyy" (2007), "Life Partner" (2009), and "" (2009). He earned critical recognition for his performances in the 2001 thriller "Pyaar Tune Kya Kiya", the 2004 drama "Dev", the 2004 romantic thriller "Fida", and the 2005 crime thriller "Ek Khiladi Ek Haseena".