Mubarak Mandi Palace was built by

Answer: Option B

As is said by Historians, the Mubarak Mandi Palace was established by Raja Dhruv Dev (1707 - 1733) after shifting his capital from Purani Mandi to this beautiful region that overlooked the river. The palace grew over the years and new palaces and buildings were added to it. After a number of attacks, threats and change of rulers, it was in the year 1874, after enlargement and renovation by Maharaja Ranbir Singh of Jammu and Kashmir, that the palace complex took its present form.