The Mampalli copper plate (974 AD), also romanised as Mamballi, records a donation from the chiefly family of Venad, present-day Kerala, to the Chengannur Temple.
[1][2] The record is engraved on both sides of a single copper plate in Vattezhuthu with Grantha characters in an early form of Malayalam language.
[1] A second plate, companion to the first one and ascribed approximately to the same date, is owned by Mampalli Madhom.
[1] A meeting of Srivallavan Kotai, the chieftain (the utaiya) of Venad, with the committee of Brahmin village elders of Chengannur (Tiruchenkunrur Parutai Perumakkal) at Panainkavil palace, Kollam.
[1] Aditya Umayamma in turn donated what she received— the proprietary rights and the landed property of the Ayirur Temple — to Chengannur Temple as a subordinate property (kizhitu) with provision for the routine expenditure and the payment of protection fee (rakshabhoga) to the village assembly secretaries (potuvals).