Option b is the correct answer. Silappadikaram is an ancient Tamil epic that narrates the story of Kannagi, a virtuous woman who seeks justice for her husband's wrongful execution. The epic is known for its portrayal of moral values, social customs, and cultural aspects of ancient Tamil society. While it primarily focuses on the story of Kannagi, the epic also incorporates elements of Jainism in its storyline. These Jaina elements include references to Jain philosophy, teachings, and ethical principles.