Colleges in Ranchi

Around 66% of the students were placed from Mechanical Engineering in the session 2016-2017.

Please refer to the link provided below for details regarding admissions in St. Xavier's college, Kolkata for B.Sc courses in physics. You should be able to check percentage requirements as well.
https://www.shiksha.com/college/st-xavier-s-college-kolkata-park-street-23242

Hello! KR Mangalam isn't a great choice for pursuing MBA as it doesn't feature even under the top 50 B-schools across India. Better avoid it(or keep it just as a backup) and aim only for the reputed ones.

Hi Kartikay,
IIMC only offers Diploma programme. Xavier's, Bombay and Amity, Noida are pretty much on the same level.

Hello Nithash,
Unfortunately, nobody can give you an exact answer to this question. Since this differs from person to person.
I can mention some of the good sites though.
Handa ka Funda
Oliveboard

A candidate desirous of seeking admission in Xavier Institute of Social Service, Ranchihave to appear in an all India level management admission test. Xavier Aptitude Test (XAT) conducted by XLRI, Jamshedpur, Common Admission Test conducted by IIM Ahmedabad, and (CMAT 2017) conducted by AICTE, New Delhi are the only approved examinations through which a candidate can apply to XISS Ranchi.
You are not eligible to seek admission in XISS based on MAT score.