Complex sentence: The Untold Story is an upcoming Bollywood biographical film directed by Neeraj Pandey, based on the life of Indian cricketer and the current ODI and T20I captain of the Indian national cricket team, Mahendra Singh Dhoni.
Split into simpler sentences: The Untold Story is an upcoming Bollywood biographical film directed by Neeraj Pandey. The film is based on the life of Indian cricketer and the current ODI and T20I captain of the Indian national cricket team, Mahendra Singh Dhoni.