This character is a Other Letter and is mainly used in the Devanagari script.
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it is written from left to right. When changing direction it is not mirrored. The word that U+091B forms with similar adjacent characters prevents a line break inside it.
The Wikipedia has the following information about this codepoint:
Cha is the seventh consonant of Indic abugidas. In modern Indic scripts, cha is derived from the early "Ashoka" Brahmi letter , which is probably derived from the Aramaic letter ("Q") after having gone through the Gupta letter .
Representations
System
Representation (click value to copy)
Nº
2331
UTF-8
E0 A4 9B
UTF-16
09 1B
UTF-32
00 00 09 1B
URL-Quoted
%E0%A4%9B
HTML hex reference
छ
Wrong windows-1252 Mojibake
छ
Encoding: GB18030 (hex bytes)
81 31 CF 35
Adobe Glyph List
chadeva
RFC 5137
\u'091B'
Bash and Zsh inside echo -e
\u091B
C and C++
\u091B
C#
\u091B
CSS
\00091B
Excel
=UNICHAR(2331)
Go
\u091B
JavaScript
\u091B
Modern JavaScript since ES6
\u{91b}
JSON
\u091B
Java
\u091B
Lua
\u{91B}
Matlab
char(2331)
Perl
"\x{91B}"
PHP
\u{91b}
PostgreSQL
U&'\091B'
PowerShell
`u{91B}
Python
\u091B
Ruby
\u{91b}
Rust
\u{91b}
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