The culture of India. New York, NY: Britannica Educational Pub. in association with Rosen Educational Services. 2011. p.29. The Kadar population was estimated at approximately 2,000 individuals in the early 21st century
"Kadar Language". The Encyclopaedia of Dravidian Tribes. Vol.2. International School of Dravidian Linguistics. 1996. pp.92-93 [93]. ISBN9788185692166. The closest relationship [of Kadar language] is with Malayalam.
Mathur, P.R.G. (1996). "Kadar". The Encyclopaedia of Dravidian Tribes. Vol.2. International School of Dravidian Linguistics. p.76. ISBN9788185692166. The word, kādan, in Malayalam, means the dweller in a forest (plural - kādar). The tribe obviously got the name because of their exclusively forest habitat.
Andronov, Mikhail Sergeevich (1996). A Grammar of the Malayalam Language in Historical Treatment. Beiträge zur Kenntnis südasiatischer Sprachen und Literaturen. Vol.1. Otto Harrassowitz Verlag. p.16. ISBN9783447038119. On the whole there are four groups of territorial dialects [of Malayalam] on the map of Kerala ... Besides, a number of the so-called social dialects are attested, i.e., the dialects spoken by members of various castes, religious communities and primitive tribes (e.g., the dialects of Mappilas, Tiya-Ezhavas, Pulayar, Adiyar, Vedar, Kadar, etc.).
Bibliography
"Kadar Language". The Encyclopaedia of Dravidian Tribes. Vol.2. International School of Dravidian Linguistics. 1996. pp.92–93. ISBN9788185692166.
Further reading
Ehrenfels, U. R. (1952). "XI. The Kadan Language". Kadar of Cochin. Anthropological series. Vol.1. Madras: University of Madras. pp.257–271.
Thundyil, Zacharias (1975). "The language of the Kadars". International Journal of Dravidian Linguistics. IV (2): 229–248.
Thundyil, Zacharias (1978). "The Language and Culture of the Kadar". Asian Profile. 6: 375–79.
Suresh, J. (1981). A Descriptive study of Kadar Language of Anaimalai Hills (Ph.D.). Annamalainagar: Centre of Advanced Study in Linguistics, Annamalai University.
Chandramohan, P. (2025). "Kadar—An Endangered Dravidian Tribal Language of India". In N. S. Dash; S. Arulmozi; N. Ramesh (eds.). Handbook on Endangered South Asian and Southeast Asian Languages. Cham: Springer. pp.331–363. doi:10.1007/978-3-031-80752-7_15.