Sure, I'd be happy to help you plan your 2-day itinerary in Trivandrum!

Day 1:

• Start your day with a visit to the Padmanabhaswamy Temple, one of the most famous temples in India. It is known for its intricate architecture and is dedicated to Lord Vishnu.
• After visiting the temple, head to the nearby Kuthira Malika Palace, which was built by the Maharaja of Travancore. The palace is known for its unique architecture and beautiful wood carvings.
• Next, visit the Napier Museum, which houses a collection of ancient artifacts, bronze sculptures, and other historical objects.
• In the evening, head to the Shanghumukham Beach, which is a popular spot for locals and tourists alike. You can enjoy a leisurely stroll along the beach or watch the sunset over the Arabian Sea.

Day 2:

• Start your day with a visit to the Kanakakunnu Palace, which is located in the heart of the city. The palace is known for its beautiful gardens and is a popular spot for picnics and family outings.
• Next, head to the Thiruvananthapuram Zoo, which is home to a variety of animals including tigers, lions, elephants, and more. The zoo is spread over 55 acres and is a great place to spend a few hours.
• After visiting the zoo, head to the nearby Kovalam Beach, which is one of the most popular beaches in Kerala. You can relax on the beach, take a dip in the sea, or indulge in some water sports.
• In the evening, head back to the city and visit the Attukal Bhagavathy Temple, which is dedicated to the goddess Bhagavathy. The temple is known for its annual Pongala festival, which attracts thousands of devotees from all over the world.

I hope this itinerary helps you plan your trip to Trivandrum! Let me know if you have any other questions or need further assistance.