Mumbai, March 12 (IANS): He has spent over 25 years in the Hindi film industry, giving action-packed, comedy, romantic and emotional performances; scoring hits and becoming a successful filmmaker. But Aamir Khan, who's turning 50 on Saturday, won't like to say that he's reached the peak of his career yet.

At an event here, the "PK" star was asked if he feels that he has reached the pinnacle of his career.

He said: "I'm still 18 years old. I don't feel that I have reached at the peak of my career. According to me, 'peak' means you are about to go downwards, so I hope I am not at the peak of my career."

Aamir has regaled his fans with films such as "Qayamat Se Qayamat Tak", "Hum Hain Rahi Pyar Ke", "Sarfarosh", "Lagaan", "Rang De Basanti", "Fanaa", "Ghajini", "3 Idiots" and "Talaash", during his acting career.

"Taare Zameen Par", which saw him in the role of a teacher, and which marked his debut as a director, was highly appreciated.

The actor, who's often known as a 'perfectionist', is now prepping up for his role in "Dangal". He has gone out of his way to gain weight for the role of a wrestler.