Maharishi Arvind University

The cut-off for BBA at MAU has remained around 83%. approx . You can go through their official website for more information.

Yes,B.Ed course from this institute is recognized by UGC and valid all over India.For more details information you can see below link
https://www.shiksha.com/teaching-education/course/b-ed-maharishi-arvind-university-jaipur-282550

Some great colleges for b.sc agriculture in jaipur:
Lal Bahadur Shastri PG College
Jaipur National University - [JNU]
SS Jain Subodh PG College
Kanoria PG Mahila Mahavidyalaya
Amity University
Biyani College of Science and Management - [BCSM]
The IIS University - [IISU]
NIMS University (Jaipur)
Rajasthan University of Health Sciences - [RUHS]

Yes, there is possibility you can take admission in another university for your 2nd year. I see many student of distance department continuously change their university. But, you should have migration certificate of your current university. Kindly contact your choice university.