Complex sentence: He made his directorial debut and played the lead role in the film "Nidra" (2012), it was a remake of the 1981 Malayalam film of the same name directed by his father.
Split into simpler sentences: He made his directorial debut with the film "Nidra" in which he also played the lead role. The film was a remake of the 1981 film of the same name directed by his father.