Complex sentence: Leela Naidu's 2010 book with Jerry Pinto indicates the movie screenplay was written before Nanavati case, it was a coincidence of the real-life case events with a similar movie story that led to similarities while the movie was made.
Split into simpler sentences: Leela Naidu's 2010 book with Jerry Pinto indicates that the movie screenplay was written before the Nanavati case. It was a coincidence of the real-life case events with a similar movie storyline that led to similarities while the movie was made.