The correct answer is: A. Mubarak Mandi Palace
Mubarak Mandi Palace is a palace complex in Jammu, India. It was the residence of the Dogra kings of Jammu and Kashmir from the 19th century until the end of the princely state in 1947. The palace complex is spread over an area of 26 hectares and consists of over 200 buildings. It is a major tourist attraction in Jammu.
Amar Mahal Palace is a palace in Jammu, India. It was built in the 19th century by Raja Amar Singh of Jammu. The palace is now a museum.
Akhnoor Fort is a fort in Akhnoor, Jammu and Kashmir, India. It was built by the Mughal emperor Akbar in the 16th century. The fort is now a protected monument.
None of the above is the correct answer.