Who was the last ruler of India that adopted Jainism in his last days?

According to Jain history, late in his life, Chandragupta adopted Jainism, renounced the empire he built and handed over his power to his son, became a Jaina monk, and headed to meditate and pursue spirituality in the Deccan region, under the Jaina teacher Bhadrabahu at Shravanabelagola.