This page explains what a Unicode font is and how you can type with it. The reason is Shruti is a Unicode font that contains English and Gujarati characters.
If you have selected Shruti in Microsoft Office Word and expected to type Gujarati, you may have been disappointed to see English instead of Gujarati. 🏠 Vachanamrut Kirtan Muktavali Swamini Vato Gujarati Typing Gujarati Tab