The capital of Kerala is Thiruvananthapuram (also known as Trivandrum). It is a major city in southern India and serves as the administrative center of the state of Kerala. Here's why the other options are incorrect: - Option (1): Silvassa: Silvassa is the capital of Dadra and Nagar Haveli and Daman and Diu, not Kerala. - Option (2): Thiruvananthapuram: This is the correct answer, as it is the capital of Kerala. - Option (3): Daman: Daman is a union territory in western India and is not related to Kerala. Answer: $\boxed{\text{Thiruvananthapuram}}$