This character is a Nonspacing Mark and is mainly used in the Siddham script.
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it acts as Nonspacing Mark. When changing direction it is not mirrored. U+115C0 prohibits a line break before it.
The Wikipedia has the following information about this codepoint:
The nuqta (Hindi: ΰ€¨ΰ₯ΰ€ΰ€Όΰ₯ΰ€€ΰ€Ύ, Urdu: ΩΩΨ·Ϋ, romanized: nuqtΔ; sometimes also spelled nukta), is a diacritic mark that was introduced in Devanagari and some other Indic scripts to represent sounds not present in the original scripts. It takes the form of a dot placed below a character. This idea is inspired from the Arabic script; for example, there are some letters in Urdu that share the same basic shape but differ in the placement of dots(s) or nuqta(s) in the Perso-Arabic script: the letter ΨΉ ayn, with the addition of a nuqta on top, becomes the letter ΨΊ gΝhayn.
Representations
System
Representation (click value to copy)
NΒΊ
71104
UTF-8
F0 91 97 80
UTF-16
D8 05 DD C0
UTF-32
00 01 15 C0
URL-Quoted
%F0%91%97%80
HTML hex reference
𑗀
Wrong windows-1252 Mojibake
Γ’βΕΓ°βββ¬
Encoding: GB18030 (hex bytes)
90 34 B5 38
RFC 5137
\u'115C0'
Bash and Zsh inside echo -e
\U000115C0
C and C++
\U000115C0
C#
\U000115C0
CSS
\0115C0
Excel
=UNICHAR(71104)
Go
\U000115C0
JavaScript
\uD805\uDDC0
Modern JavaScript since ES6
\u{115c0}
JSON
\uD805\uDDC0
Java
\uD805\uDDC0
Lua
\u{115C0}
Matlab
char(71104)
Perl
"\x{115C0}"
PHP
\u{115c0}
PostgreSQL
U&'\+0115C0'
PowerShell
`u{115C0}
Python
\U000115C0
Ruby
\u{115c0}
Rust
\u{115c0}
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