Before revision: The monarchs of the Kingdom of Travancore practised this system , where , 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: 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.