L1 users: 7,760 (2001 census).
Kerala state: Palakkad district, Chittoor and Palakkad sub-districts; Tamil Nadu state: Coimbatore district, Pollachi sub-district.
None known. Lexical similarity: 68%–74% with Tamil [tam], 79%–83% with Walayar Irula [iru], 77%–86% with Eravallan [era], 57%–61% with Malayalam [mal], 68%–75% with Mala Malasar [ima] (2004 survey); 52%–56% with Malaryan [mjq], 77%–82% between Malasar and Kollimalakkar, Kollimalakkar 80% with Malapulaya (2006 survey).
A Scheduled Tribe. Kollimalakkar call themselves Malasar but are different culturally, belonging to the Malayali tribe of Tamil Nadu. They migrated to Nelliyampathy area in Kerala for work many years ago. Traditional religion, Christian, Hindu.