The one Rohilla (Afghan) principality left standing after the British-Awadh conquest of Rohilkhand, ruled from Rampur by the Nawabs descended from Faizullah Khan; a noted centre of Indo-Islamic scholarship (the Raza Library).
Survived as a 15-gun-salute princely state under British suzerainty; acceded to the Dominion of India in 1947 and merged into the United Provinces (Uttar Pradesh).
Scholarly history of the Rohilla (Ruhela) states of the 18th century, including Rampur; verified via Open Library.