The correct answer is Both A and B. Alauddin Khilji (1296-1316) was a powerful ruler from the Khilji dynasty. Alauddin Khilji was an ambitious ruler whose ambition was to become like Alexander and ruled over the world. Therefore he called himself the second Alexander. He annexed Gujarat (1299), Ranthambore (1301), Chittor (1303) and South India (1307-1311) in order to fulfil his ambition. He was also known for his economic reforms like Market Reforms, Uniformity in prices, Introduction of Biswa system etc. Muhammad-Bin-Tughlaq (1325-1351), was considered as one of the most controversial rulers in India History. He was the only Delhi Sultan who had received extensive literary, religious and philosophical education. He introduced Token Currency. During the 14th century, there was a shortage of silver throughout the world. He introduced Copper/Bronze coins at par with the value of silver coins which caused economic chaos.