This document is in सरल देवनागरी (Devanagari) script, which is commonly used for Konkani language. You can also view this in ಕನ್ನಡ (Kannada) script, which is also sometimes used for Konkani language.
काशी विश्वनाथाष्टकम्
Audio:
Listen to Audio Rendition by S. P. Bala Subramanyam: