 The Sangama dynasty had been gradually weakening over time for a variety of reasons, and in 1485, the senior Narasimha had usurped the throne after capturing the capital and driving out his former overlord, Sangama Praudha Raya.The actual military campaign for this purpose had been carried out by his loyal subordinate, Tuluva Narasa Nayaka.The senior Narasimha was crowned Emperor and became known as Saluva Narasimha Deva Raya.