The story picks up the characters ten years after the 2009 hit.
Aamir Khan has said director Rajkumar Hirani will narrate the final script of the 3 Idiots sequel to him in the coming weeks.
Aamir spoke at the Singapore International Film Festival, where he received the Screen Icon Award. He said the story follows the characters ten years after the original film.
The sequel is still at the writing stage, with no shooting schedule or release date announced.
Aamir is expected to return as Rancho. The 2009 original, which also starred R Madhavan, Sharman Joshi and Kareena Kapoor Khan, became one of Hindi cinema's biggest hits.
