Yes, KTU does offer intensive English preparatory courses. You can find description of the programme here: https://apply.ktu.edu/courses/course/81-prep-course-intensive-english-language-preparatory-course-a1–b2.
Please keep in mind, that the preparatory courses are linked with the full degree programmes. Meaning, if you will start a preparatory course with us, you will also need to continue your degree studies at our university and meet the requirements of the study programme you would like to join after the English course. In your application on  https://apply.ktu.edu/ please add English preparatory classes to your application together with the study programme you would like to study.