They are a great source for studying the history of Kerala of the Middle Ages. These are the collections of documents by which temples and dynasties transferred landed properties.
To establish one’s ownership of a property, only these documents were available.
The following are the most important them:
1. Mdthilakom Granthavari (Padmanabha Swami Temple)
2. Perumpadappu Granthavari (Kochi)
3. Kozhikodan Granthavari (Zamorins).
4. Vanjeri Granthavari
5. Koodali Granthavari
