Getting Issue With Nirmala UI Font [ Character Issue ]

[DevMensIT]

Describe the bug
A clear and concise description of what the bug is.

Getting Face this kind of issue when i put text inside image using gd library the output is not getting valid but when i echo that text i'm getting proper output.

Wrote this : "આત્મા" output showing me this "આતમા"
Wrote this : "હર્ષ" output showing me this "હરષ"

is there any solution regarding this ?

Note : Text from Windows Language [ Indian ] which is installed on Windows Computer. Supported By Microsoft.

[vapier]

please attach an example program showing the problem, and the build config of your gd lib, and the version of libraries you're linking against

[DevMensIT]

Both is in php :

The true output I want is :

But The Output I'm getting is here :

Basically its grammatical mistake I'm getting here.