Suansu
Suansu is a Sino-Tibetan language spoken in India. Glottolog rates it shifting.
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Suansu is a Sino-Tibetan language of Manipur, India, first reported in 2019. It is spoken by approximately 2,000 people in several villages of Ukhrul District, Manipur.
From Wikipedia · Suansu language · CC BY-SA 4.0