This more or less depends on the subjects that you have studied in your 12th. This is important because for example,  you cannot study Engineering without studying Mathematics in your 12th and you cannot pursue MBBS without studying Biology. Having said that, there are professional courses like CA, ICWA, CS, LLB that do not have any pre requisites. So please do help us with the subjects that you have studied in your 12th and we shall help you accordingly. Also please read this article: https://news.careers360.com/cbse-releases-list-compendium-courses-students-pursue-after-12th CBSE has released a list of courses that are available for each subject stream.