thumb|The Mauryan carved door of Lomas Rishi, one of the Barabar Caves, 250 BCE Bindusara was succeeded by Ashoka, whose reign lasted until his death in about 232 BCE. His campaign against the Kalingans in about 260 BCE, though successful, led to immense loss of life and misery. This led Ashoka to shun violence, and subsequently to embrace Buddhism. The empire began to decline after his death and the last Mauryan ruler, Brihadratha, was assassinated by Pushyamitra Shunga to establish the Shunga Empire.
thumb|The Mauryan carved door of Lomas Rishi, one of the Barabar Caves, 250 BCE Bindusara was succeeded by Ashoka, whose reign lasted until his death in about 232 BCE. His campaign against the Kalingans in about 260 BCE, though successful, led to immense loss of life and misery. This led Ashoka to shun violence, and subsequently to embrace Buddhism. The empire began to decline after his death and the last Mauryan ruler, Brihadratha, was assassinated by Pushyamitra Shunga to establish the Shunga Empire.