Dear Suji, Nagarjuna University has a regular University and a Distance Education University. Both of them have only LLM Course and they do not have 3 years LLB Course. For your convenience, we are attaching the links for their official websites to give you a glimpse of the courses that ANU offers full time and part time. You can access the links at:

https://www.nagarjunauniversity.ac.in/coursessoffered.php

http://www.anucde.info/courses.asp