Complex sentence: Irrfan Khan like script of the flim and the concept of his character of not speaking much rather talking through notes, and after seeing Batra's short film, a couple of meetings he agreed to act in the film.
Split into simpler sentences: Irrfan Khan liked the script of the flim and the concept of his character, not speaking much but talking through notes. After seeing Batra's short film and a couple of meetings he agreed to act in the film.