Hi, hope you are doing well!

As you in class 12th, you have to pursue an integrated course of Graduation and LLB to pursue Law after 12th.

There are many Colleges in Delhi and across the country that offer BA+LLB, BBA+LLB, BCom+LLB, BSC+LLB etc. But Delhi University only offers 3 year LLB degree which you can pursue only after completing your graduation.

You can pursue your graduation from any College under DU and then get into Delhi University for 3 year LLB.

Top colleges in India that offer 5 year integrated Law degree:

1. The West Bengal National University of Juridical Sciences, Kolkata
2. National Law University, Jodhpur, Jodhpur
3. Gujarat National Law University, Gandhinagar
4. Rajiv Gandhi National University of Law, Patiala
5. Dr. Ram Manohar Lohia National Law University, Lucknow
6. Hidayatullah National Law University, Raipur
7. National University of Advanced Legal Studies, Kochi
8. Chanakya National Law University, Patna
9. National Law University Odisha
10. National Law University, Delhi, New Delhi
11. Damodaram Sanjivayya National Law University, Visakhapatnam
12. National University of Study and Research in Law, Ranchi
13. National Law School and Judicial Academy, Assam, Guwahati
14. Tamil Nadu National Law School, Srirangam
15. Maharashtra National Law School, Nagpur

For most of these Law Schools you have to crack either CLAT or their own Entrance Exam.