Chettur is the name of the old Nair Tharavadu [Joint Family] Sir C is a member of this family.This tharavadu is in Mankara ,on the banks of Bharatha puzha.This village is near Ottappalam ,,Palakkad[dist]Many eminent persons like G.k chettur,S.k chettur ,Sir c .Madhavan nair, Kochunni nair etc were members of this family. Justice Sankaran nair {resides in Palakkad town}is also amember of this family .This family follwed marumakkathayam system .Still we can see sir c's Pathayappura & Ettukettu in Mankara.TheHSS school is named asSirCSNMHSS. Still we can see the family members in Mankara
Sivadas chettur ,CA,Chttur Radhakrishnan,-Singer are also members of this family.