Poireiton Khunthok
"Poireiton Khunthok"  or "Poireiton Khunthokpa"  (literally, immigration by Poireiton) is an ancient Meitei literary narrative work (puya), describing about the immigration of a band of colonies, led by a man, Poireiton, the prince and younger brother of Thongaren, the god of the underworld kingdom, in the plains of the Kangleipak kingdom (present day Manipur).