Ajay Kumar Garg Institute of Management

You can compare this link:
https://www.shiksha.com/resources/college-comparison

Compare by this link:
https://www.shiksha.com/resources/college-comparison

Placements are not too good but it is okay.

For admission in any of these colleges you have to score atleast 350 marks to get into these colleges.

Yes, you can through management quota seat, but Management quota admission and fee cost is not advertised openly by any of the colleges/universities across India as being a paid seat it totally depends on the discretion of the college authorities. Please contact the college authorities for all the details.

Yes, you can get Ajay Kumar Garg Institute of Management - Master of Business Administration with this score, but if you might not get through counselling, you can fill form for direct admission in that you will surely get admission in this.

Yes.
According to your MAT score, there may be chances of getting admission in Ajay Kumar Garg Institute of Management through MAT score.

In terms of placements and studies the best college is the JSS Noida as this college is the best private college in whole UP and also this college has the best study curriculum then any other college in ghaziabad.

You can try through management quota in that you will easily get admission in this college and in this branch but normally it can't be possible.

In terms of average package and the highest package offered, AKG has the highest package of Rs. 27 Lacs and the average package stands at Rs. 5-6 Lacs.
So, AKG would be the best.