Chennai

You can get admission through CAT or any competitive exam for MBA. But you must have a good rank for getting admission.

None of the B.Tech batches have passed out so I wouldn't be at liberty to tell about the placements.

There are various job options available like-
Becoming a TV correspondent
Investigative journalism
A reporter like crime reporter, Page3 reporter, sports reporter etc.
Scriptwriter
Director of photography
Art Director
Public relations
Radio Jockey (RJ)
Event Manager
Sound Mixer
Handling legal matters etc.

Yes, there is no such barrier. In India, everyone are equally eligible for getting admission in any college. There is no such barrier.

Yes, it is good as it provides -
Placements (as provided by college)
Companies / Recruiters who visited the campus
ACCENTURE | Dell | Deloitte | Ernst & Young | Federal Bank | Genpact | HCL | Hexaware Technologies | HONEYWELL | Hyundai | iFlex | iGate | Infosys | Infotech | Mahindra and Mahindra | Mpha

For Vellore CSE, it's 5K. For Chennai, it is 12K.

Admission Procedure:
Any candidate who has completed a graduate degree can apply for the MBA programme. The admission will be done on the basis of the MAT CAT GMAT scores. They will also look into the performance from group discussions and personal interview. Here is a list of the top 10 MBA colleges

You have to crack the state level entrance exam to get admission in Chennai.

Hi,
It is difficult to get admission in B.Com in Loyola College in 1st Cut off list with 80%. You can probably wait for the 2nd cut off for the admission.
All the best.