The correct option is A Mahmud Ghazni
Qila Mubarak also known as Bathinda Fort is centrally located in the city of Bathinda. Raja Dab along with emperor Kanishka are believed to have built the fort. It has been in existence from 90-110 AD in its current place and is the oldest surviving fort in India. Due to its location in the northwest, it was considered the gateway to India and was captured by many rulers like Mahmud Ghazni, Mohammed Ghori and Prithviraj Chauhan at different points of time.