The Devanagari Extended-A block spans U+11B00–U+11B5F, 96 codepoints in Plane 1 (Supplementary Multilingual Plane). 10 are assigned in Unicode 16.0; the other 86 are reserved for future characters.
All of its characters belong to the Devanagari script.
By general category: 10 other punctuation (Po).
The first 10 arrived in Unicode 15.0 (2022).
Because it lies outside the BMP, every character here takes four bytes in UTF-8 and a surrogate pair in UTF-16.