The correct answer is: d) Thrissur.
Thrissur is a city in Kerala, India. It is considered the cultural capital of Kerala because of its rich history and culture. The city is home to many temples, churches, and mosques. It is also home to the Thrissur Pooram, one of the largest temple festivals in India.
Kochi is a city in Kerala, India. It is a major port city and a popular tourist destination. The city is home to many historical and cultural sites, including the Chinese fishing nets, the Dutch Palace, and the Mattancherry Palace.
Thiruvananthapuram is the capital of Kerala, India. It is a major educational and cultural center. The city is home to many universities, museums, and art galleries.
Kozhikode is a city in Kerala, India. It is a major commercial and industrial center. The city is home to many factories and businesses. It is also home to the Kozhikode Beach, one of the most popular beaches in Kerala.