Central University of Karnataka

If you have applied for UG then you will have only 2 types of papers (paper 1 will be on 25th of May and the other paper 2 will be in the evening of 25th May). Paper 1 makes you eligible for physics, chemistry, maths and everything and paper 2 makes you eligible for English, geology and others.

http://www.buruniv.ac.in/Downloads/Syllabus/Syllabus_MBAT.pdf
Visit this site once.

If you need a book to prepare for this exam, please check here:
https://www.amazon.in/Textbook-Geology-G-B-Mahapatra/dp/8123900139
Apart from the books, here are some important tips you can adapt for your preparation:
https://www.shiksha.com/science/articles/how-to-prepare-for-top-msc-entrance-exams-blogId-13489

Hello Khalid,
I am afraid, I could not find any information on the query you have raised. But indirectly, I can say that you indeed can seek admission since 50% seats are reserved for students with scores from JEE Mains & you can appear for it with Diploma. I am attaching a link that will give you all the required information about all the aspects of admission to any of the nine Central Universities located in different parts of India.
https://www.shiksha.com/science/cucet-exam
For fine details, I suggest that please contact the registrar of your intended university directly.
Best wishes to you.

Hello,Students in their final year of their graduation can also apply for the JAM Exam. So, you can apply for the JAM Exam that will be starting from 01st September 2018. But you need to submit all your documents by 30th September 2018. Click here http://bit.ly/2LDciKV to know the complete details for IIT JAM. IIT JAM 2019 Exam will be conducted on 10th February 2019. So, prepare yourself well for it. Best of Luck.

Candidates with a minimum aggregate of 50% marks in graduation from a UGC recognized college and University are eligible for admission to this course. Eligibility criteria for ST/SC and Kashmiri Migrant students are 45% marks in graduation.