If you have the font file from a licensed CD or email, it will be in .ttf (TrueType) or .otf (OpenType) format. Look for: Walkman Chanakya 902.ttf
Attribution / licensing note
Because the original source is no longer active, you’ll need to find a trusted font repository. Search for: on sites like: walkman chanakya 902 font download install
Direct download links are not provided here to avoid promoting unverified files. If you have the font file from a