Good morning Periya Samy.

A degree is a credential awarded by a college or university for successfully completing coursework at a particular level in a selected field of study.

A diploma is a certificate given by a school to a student when they have finished a certain course and passed the test.

There is no restriction on any diploma or Degree course. You can do any degree course or diploma courses in the field you are interested.

I'm providing you the link, where you can easily find best suited course for you and in top university too.
https://www.careers360.com/courses-certifications/online-degree-diploma-courses

Thank you! Have a nice day.