Before revision: Almost all the monarchs in Kerala practised this system, including the monarchs of the Kingdom of Travancore, Sammothiris who were the monarchs of the Kingdom of Calicut, monarchs of the Kingdom of Cochin as well as the kings of Kolathunadu.
After revision: Kolathiris, theAlmost all the monarchs in Kerala practised this system, including the monarchs of the Kingdom of Travancore, Sammothiris who were the monarchs of the Kingdom of Calicut, monarchs of the Kingdom of Cochin as well as the kings of Kolathunadu.