Hello sir

first of all i would like to tell you that there is no maximum age limit applicable to take admission into JNU, only the minimum age criteria is there that student should be of 17 years old.

you want to take the experience of education in JNU and want to take admission there to learn so here is your answer, there are various courses UG and PG programs offered by JNU but  JNU is most famous for the courses of  MA and Msc. there are several other courses it is difficult to create a list of all the courses here so here is the link given below which will guide you to the all courses available at JNU .

https://university.careers360.com/articles/jnu-courses

Hope this answer is beneficial to you

Good luck