Rate Mahatmaya was a traditional office and title from the Kandian Kingdom which became part of the British colonial administration within the Kandian and central region of Ceylon.
[1] Persons were appointed to the title and office by the King during the Kingdom of Kandy, these appointees headed the administration of a large locality known as Korale, which was a division of the province of the Kingdom known as a Dissava and as such he would be subordinate to the local Dissava.
They were members of the Radala Cast, who were referred to as the Chieftains of Kandy by the British.
During the British administration a Rate Mahatmaya would head a revenue district, a Korale and would e the Kandian equivalent to a Mudaliyar in the lower country or the coastal regions.
New appointments were stopped in the 1931 after the abolition of the native department, while current holders retained their posts until their retirement while transferable District Revenue Officers were appointed as replacements.