What is the application process of Birla Institute of Technology, Mesra - Patna Extension Center?

Here is the detailed  application process to get admission in Birla Institute of Technology, Mesra - Patna Extension Center for B.E. / B.Tech:

1. You should have minimum 75% in your 12th exam and a valid good scorecard of JEE MAINS.
2. Apply in JOSSA/CSAB Counselling . This Counselling goes for 6 rounds and