Correct Answer: (b) Jainism
Note: Kaivalya is related to Jainism. According to Jainism, Mahavira became an ascetic and left his home at 30. He kept on wandering for 12 years and is said to have attained Kaivalya at the age of 42; through Kaivalya, he conquered misery and happiness. Because of his conquest, he is known as the Jina or the conqueror.