Hi Mudit,
Hope you are doing well!! Delhi University provides number of undergraduate and postgraduate courses. BA in Psychology is one of the undergraduate courses offered by DU. There is no any entrance test for asked course admission is done solely on the basis of 10+2 merit. However there is entrance exam for master's program in same course.
You can apply for the admission in DU by visiting to it's official website when the application starts.
I hope this answer helps you.
Good Luck!!
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