Simhavishnu was the one of the famous kings of Pallavan kings. During his period he had a very strong army and his reign had no invasions from other kings. He ruled from Kanchipuram (Tamil Nadu - India). At the time in his rule, Pallava dynasty was strong, consisting of Becos Chola , Chera, and Pandyas. When Narasimhavarman I came to rule, he won over Pulikesi and captured Vathapi , referred to as Vadabi Kondan. Mahabalipuram is a great achivement of Pallava's dynasty, and it still exists in Chennai, India.