Bimbisara was the ruler of Magadha in 545 B.C. He built Rajgriha and made it its capital. He was the follower of Buddhism. And he sent his Rajvaidya ‘Jeevak’ to Chandapradyota (Ruler of Avanti) for his service.
Bimbisara was killed by his son Ajatsatru. Bimbisara was responsible for rise of Magadha.