 Porus fought against Alexander the Great in the Battle of the Hydaspes (326 BC), thought to be fought at the site of modern-day Mong, Punjab, which is now part of Pakistan.Though not recorded in any available ancient Indian source, Ancient Greek historians describe the battle and the aftermath of Alexander's victory.Anecdotally, after the defeat and arrest of Porus in the war, Alexander asked Porus how he would like to be treated.