Devanagari Stress Sign Anudatta (U+03B8) is a Unicode nonspacing mark from the Devanagari block. It resides on Plane 0 (BMP, Basic Multilingual Plane), has bidirectional class NSM (nonspacing mark), is not mirrored, and has combining class 220 (Below). In HTML it can be written as ॒ or ॒.