Hello Mannat,

Firstly, none of the companies go to any campus to hire HR personnel for sales & marketing jobs only. For that, they have the students of that vertical itself.

Okay, now coming to your main question - In terms of placement and the number of MNCs coming for recruitment, IFIM Bangalore ranks better. Placement at SDMIMD is equally better but not for the HR domain. 

In terms of HR students ratio, any source currently studying at each of the colleges would be able to give you the exact information. 

Hope this helps.