CAT

Yes you can still get the admission for your MBA. There are other exams like CMAT is accepted by many good colleges and its not that hard to crack like CAT and XAT. Apart from it there are exams like NMAT and SNAP which you can give to get admission into the prestigious MBA institution.

Yes, you are eligible to take admission in DAV University.
For MBA, admissions the university conducts DAVUMET (DAV University MBA Eligibility Test).

It's the same thing. By 2017 all the IIMs were providing PGDM degree that doesn't mean that from 2018 all the PGDM degrees are of no use. In PGDM, you gain the knowledge of all the subjects from all the streams like finance, marketing, operations, sales, etc., and in the 2nd year, you need to choose your specialisation, whichever field you find interesting.

To apply for CAT and to do further MBA or PGDM, you need to complete your graduation with more than 50% marks.

Hello,
What do you mean by preference over here?

Hi Ankur,
It's quite some time now that you had posted a question on CAT and by now you would have known the important information around it. I am sending you a link to know the last minute tips for the exam and wish you all the best.
https://www.youtube.com/watch?v=s3BnsEHmfVM&feature=share

Both will help you with your PG admission, try to crack both the exams to have better chances of getting into good colleges.

Hello,
If possible, try studying for CAT in your third year itself. And take a gap only if you feel you won't be able to prepare well for it while managing your college studies.
Good luck.

IIM-A is the most sought after institute. The CAT score that you need for admission is 99 percentile.

Hi,
It fully depends on the college or university in which you want to take admission. Mainly, CAT score is widely accepted. MAT and CMAT scores are also considered.