 After the fall of Chittorgarh in 1303 by the Alauddin Khilji of the Khalji dynasty, Rajputs from the region immigrated in large groups into what is today Nepal due to heavy religious persecution.The incident is supported by both the Rajput and Nepalese traditions.Indian scholar Rahul Ram asserts that the Rajput immigration into what is today Nepal is an undoubted fact but there can be questions in purity of blood of some leading families.