The Mubarak Mandi Palace Complex is a prominent heritage landmark in:

Leh
Jammu City
Anantnag
Baramulla

The correct answer is: b) Jammu City.

The Mubarak Mandi Palace Complex is a prominent heritage landmark in Jammu City, India. It is a complex of over 400 buildings, including palaces, temples, mosques, and gardens. The complex was built in the 18th century by the Dogra rulers of Jammu and Kashmir. It was once the seat of the Dogra government and the residence of the royal family. The complex is now a museum and a popular tourist destination.

The other options are incorrect because:

  • Leh is a city in Ladakh, India. It is not a prominent heritage landmark.
  • Anantnag is a city in the Indian state of Jammu and Kashmir. It is not a prominent heritage landmark.
  • Baramulla is a city in the Indian state of Jammu and Kashmir. It is not a prominent heritage landmark.