Hello Mahendra, 

Rajasthan University usually releases forms for UG courses after an official announcement which is expected to happen on the second of May. The application forms are expected to be made available from the first week of June. You can check more details regarding admission here: https://www.google.com/amp/s/university.careers360.com/articles/rajasthan-university-admission/amp

You can check their official site for announcements here:  https://www.uniraj.ac.in

As for LLB,  they give you admission to the usual LLB (3 years) course if you have 50% aggregate marks in your 10+2 equivalent exam (for outside of Rajasthan candidates)  or 45% aggregate marks (for within Rajasthan candidates and valid ULET marks. This course has 600 seats to offer. 

For the LLB integrated course, you need to have 50% aggregate marks in 10+2 equivalent examination and you need to qualify RULET examination, you will be admitted on the basis of your merit as secured in RULET. This course has 120 seats to offer. 

Hope this helps :)