Thanks for th question. You can only post them on the bonus lecture: https://support.udemy.com/hc/en-us/articles/229232847-Bonus-Lecture-Rules-and-Guidelines
Let us know if you have any other doubs and good luck!
Hello again @Komal762
Yes you can! 🙂 The last lecture of the course, after the concluding lecture, is called the Bonus Lecture. Instructors can add a Bonus Lecture to market other Udemy courses and products to students, and to inform students of material that is provided beyond the course.