Complex sentence: In 1984, his play, Holi was made into a film, Holi by Ketan Mehta, for which he wrote the screenplay, and in the same year, Govind Nihalani, directed a film, Party, based on his eponymous play.
Split into simpler sentences: In 1984, his play "Holi" was made into the film "Holi" by Ketan Mehta, for which he wrote the screenplay. In the same year, Govind Nihalani directed a film, "Party", based on his eponymous play.