Tipu Sultan, commonly referred to as Sher-e-Mysore or "Tiger of Mysore", was an Indian ruler of the Kingdom of Mysore based in South India. He was a pioneer of rocket artillery. He expanded the iron-cased Mysorean rockets and commissioned the military manual Fathul Mujahidin. He deployed the rockets against advances of British forces and their allies during the Anglo-Mysore Wars, including the Battle of Pollilur and Siege of Srirangapatna.