Step 1: Understanding the Question:
This question is about art heritage and palace museum collections in Kerala, focusing on the location of India's largest single archaeological mural painting.
Step 2: Key Formulas and approach:
Review the historical mural locations of Kerala.
Identify which palace houses the massive "Gajendra Moksham" mural, which is celebrated as one of the largest mural paintings on a single wall in the country.
Step 3: Detailed Explanation:
• The Krishnapuram Palace is located in Kayamkulam, near Alappuzha, and was built during the reign of Marthanda Varma of Travancore.
• This palace houses the "Gajendra Moksham" mural, which is the largest single piece of mural painting discovered in Kerala, measuring approximately \(14\text{ feet by }11\text{ feet}\).
• The painting depicts the mythological tale of Lord Vishnu saving the elephant Gajendra from a crocodile.
• While the Hill Palace (Tripunithura), Kowdiar Palace, and Kanakakunnu Palace (Thiruvananthapuram) have rich royal structures and museums, they do not house this specific famous mural painting.
Step 4: Final Answer:
The Krishnapuram Palace is famous for housing this monumental mural painting, corresponding to Option (A).