Because Walkman Chanakya 905 is a , text typed in it will appear as gibberish (random English characters) if you change the font to something like Arial or Mangal.
You are typing in Unicode (Mangal/Inscript), but the font only supports KrutiDev encoding. You need a converter tool or must change your keyboard input language to "Hindi Traditional (KrutiDev)". Download Hindi Font Walkman Chanakya 905
Windows, macOS, and Linux applications (MS Word, Adobe Photoshop, CorelDraw) Key Features Because Walkman Chanakya 905 is a , text
: It supports Devanagari characters used in Hindi, Marathi, and Sanskrit with precise conjunct handling. Google Groups How to Download and Install Windows, macOS, and Linux applications (MS Word, Adobe
For example, if you press the key 'd' on your keyboard, it will not type the English letter 'd', nor will it type the Hindi 'द' (as it might in a phonetic layout). Instead, it will type the specific Hindi character assigned to that key in the Chanakya layout.
Sites like Krutidev Unicode Converter and Typing Baba provide free download links for the Chanakya font family .