After making three back-to-back feel-good films, the latest being "3 Idiots", director Rajkumar Hirani says he may venture into the world of fantasy or animation.

"I like films belonging to the fantasy and animation genre. In fact, I may end up making one myself. Biographies interest me a lot as well; so I could even pick up one such subject as well," Hiraniu00a0said in an interview.