If you can tell me you prefer (e.g., flute , violin , guitar ) or what platform you are using (Android or iPhone), I can help you find a direct, high-quality download link .
Search for "Old Hindi Instrumental Ringtones" on the Google Play Store or Apple App Store. How to Set the Ringtone on Your Phone Bekarar Karke Hume Yun Na Jaiye Instrumental Ringtone
What (Android or iOS) are you using?