This character is a Spacing Mark and is mainly used in the Tamil 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. U+0BC6 prohibits a line break before it. The glyph can be confused with 2 other glyphs.
The Wikipedia has the following information about this codepoint:
The Tamil script (தமிழ் அரிச்சுவடிTamiḻ ariccuvaṭi[tamiɻˈaɾitːɕuʋaɽi]) is an abugida script that is used by Tamils and Tamil speakers in India, Sri Lanka, Malaysia, Singapore, Indonesia and elsewhere to write the Tamil language. It is one of the official scripts of the Indian Republic. Certain minority languages such as Saurashtra, Badaga, Irula and Paniya are also written in the Tamil script.
Representations
System
Representation (click value to copy)
Nº
3014
UTF-8
E0 AF 86
UTF-16
0B C6
UTF-32
00 00 0B C6
URL-Quoted
%E0%AF%86
HTML hex reference
ெ
Wrong windows-1252 Mojibake
ெ
Encoding: GB18030 (hex bytes)
81 32 95 38
RFC 5137
\u'0BC6'
Bash and Zsh inside echo -e
\u0BC6
C and C++
\u0BC6
C#
\u0BC6
CSS
\000BC6
Excel
=UNICHAR(3014)
Go
\u0BC6
JavaScript
\u0BC6
Modern JavaScript since ES6
\u{bc6}
JSON
\u0BC6
Java
\u0BC6
Lua
\u{BC6}
Matlab
char(3014)
Perl
"\x{BC6}"
PHP
\u{bc6}
PostgreSQL
U&'\0BC6'
PowerShell
`u{BC6}
Python
\u0BC6
Ruby
\u{bc6}
Rust
\u{bc6}
Click the star button next to each label to set this representation as favorite or remove it from the favorites. Favorites will be shown initially. (Favorites are stored locally on your computer and never sent over the internet.)