What is located on the 'upper platform' of the "House of Victory" as described by Paes?

The shrine for the idol

The correct answer is Option 1 - The shrine for the idol

This is what Paes had to say about the audience hall and the mahanavami dibba, which together he called the “House of Victory”:

These buildings have two platforms one above the other, beautifully sculpted … On the upper platform … in this House of Victory the king has a room made of cloth … where the idol has a shrine ... and in the other in the middle is placed a dais on which stands a throne of state, (the crown and the royal anklet)...