There is a well established chronology of the reigns of rulers in Ancient Manipur (Ancient Kangleipak) before the reign of Emperor Nongda Lairen Pakhangba () of the Ningthouja dynasty, that is before 33 AD. According to ancient sources, Nongta Lailen Pakhangpa fought fierce battles against the Khaba-Nganba dynasty to win over the sacred city of Kangla in Ancient Manipur.