If you are creating content for the web or social media, you should avoid legacy fonts like Kap 121. Instead, use a Unicode font like (built into Windows) or download the Noto Sans Gujarati family
Kap 121 Gujarati Font (ZIP, 45 KB)
Legacy fonts often work best in standard word processors like Microsoft Word or layout software like CorelDraw and PageMaker. kap 121 gujarati font download