Chandragupta Maurya's life and reign can be dated with reasonable accuracy by reconciling sources such as Buddhist, Jain, and Puranic texts.
Bimbisara began ruling Magadha in 519 BC according to the Puranas and Mahavansa. He was succeeded by Ajatashatru in 491 BC, who ruled for 25 years. Ajatashatru was followed by Darsaka in 466 BC, who also ruled for 25 years according to the Vayu Purana.
Udayi then became king in 441 BC and ruled for 33 years. The Jain text Parisishtaparvan states Udayi died 60 years after