Two languages, not one, and the split is total. The nine northern and central inhabited islands speak Jeseri, also written Jasari — a divergent Malayalam that mainland Malayalam speakers find hard going, with its own vowel system and a large maritime vocabulary. Minicoy speaks Dhivehi, an Indo-Aryan language of the southern branch descended from an Elu Prakrit and the national language of the Maldives. Neither is a medium of instruction: schooling runs in Malayalam, English and Hindi, so Jeseri survives as a spoken register with no written life and Minicoy's Dhivehi survives without much access to Thaana, the script in which it is written across the channel. Both are therefore transmitted through song and household speech rather than through text.
Jeseri (Jasari)Dravidian, Malayalam
Island-by-island variation is real and audible: Chetlat, Kiltan, Amini and Kadmat in the north differ from Kavaratti, Agatti, Andrott and Kalpeni in the centre. Andrott's is often described as the most conservative.
Speakers: Roughly 50,000 across nine inhabited islands
Dhivehi (Mahl)Indo-Aryan, southern Insular branch
Called Mahl by the administration, a name that comes from a colonial-era misunderstanding rather than from local usage. Minicoy speakers and Maldivians understand one another; the Minicoy variety is closest to the dialects of the northernmost Maldive atolls.
Speakers: Around 10,000 at Minicoy
Malayalam and EnglishDravidian; Indo-European
The languages of school, office and the ship to Kochi. English is the official language of the territory, Malayalam is the working one, and this is why the two indigenous languages have no institutional footing.