I have done my 12th. How can I apply for this course?

Hello, To apply for NSD, you must need graduation as eligibility criteria later then followed by an entrance exam with screen test. After all these steps you can go for NSD. Regards.

First of all, you have search for good college and check its admission criteria eligibility. Then go to college website and check from which exam they take admission in college and it's reputation in region.