Complex sentence: The hill has a temple devoted to a form of Lord Vishnu, called "Karigirivasa", or "Lord Srinivasa", also named "Bairagi Venkataramana".
Split into simpler sentences: The hill has a Hindu temple devoted to a form of Hindu god Vishnu, called "Karigirivasa". This deity is also referred to, or "Lord Srinivasa", also named "Bairagi Venkataramana".