Nandi’s Charge, the inaugural installment in Arun Krishnan's Battle of Vathapi trilogy, transports readers to the tumultuous landscape of 7th-century South India. The historical setting, centered around the Pallava-Chalukya conflict in 641 BC, serves as a compelling backdrop for an espionage thriller that unfolds through the eyes of three distinct protagonists – Elango, Kanan, and…