Hello student I'm sorry to inform you but University of Delhi offer law programme of 3byear duration after graduation not after class 12.

If you're willing to pursue law after class 12 you need to appear in Clat dot admission into NLU's and many others law college.

Eligibility - candidates must passed or appearing class 12 in any stream with minimum 45 percent marks aggregate from a recognized board.

Some of the other important law entrance examination are AILET, MHCET, LSAT, Christ University.

Feel free to comment if you have any doubt

Good luck