After the fall of the Cheras, the place came under several rulers, the Thekkumkur and Travancore kings were prominent, witnessed many brutal wars, treachery, murder and annihilation.

Vazhappally copper plate, dated to around 830 AD, is the earliest available inscription in Malayalam language.

It is a temple committee resolution in the presence of the Chera king of Kodungallur Rama "Rajasekhara" (9th century AD[5])[6].

The copper plate (incomplete) is engraved in an old form of Malayalam in Vattezhuthu and Grantha scripts.

[6][5] The inscription of Vazhappally who contributed immensely to the historical writing tradition of Kerala was written by AD 830.