CMAT

Yes you have to fill form and then go to acpc help center. List of help center will be updated on the website that I gave you in previous question. Visit to help center is compulsory for documents verification. Once you register, your name will be short listed rank wise. Then choice filling and other process will start.
In short keep visiting that website daily.

Roshan you can go Sales & Marketing. As it is the most sought out profile which will be in demand till corporate world is alive. As your academics are good you can also go for HR, but is just your pure choice. You should know that a company pick 1 HR and 10 marketing guys when they come for recruitment . If you know how to sell jobs are waiting for you that to the salary of your choice. Hope i have answer your query.

There are many B-Schools that take admissions on the basis of CMAT score. Some of the good B-Schools that accept CMAT score are:
IFIM Business School, Bangalore
Christ College, Bangalore,
UPES Dehradoon
Jaipuria Institute of Management, Lucknow
PSG Institute of Management, Coimbatore
However, when choosing an MBA, the college preference should be given to faculty and reputation of the course you want.
All the best.

It is to be noted that only 30% weightage is given to tour entrance scores, Rest depends on How you perform in your GD/PI. To prepare for your GD PI, I'll suggest you to read a lot about the present political and the business environment of our country. All the best

Your percentile is very decent and you can expect a call for finance if you enroll for the admission process. Keep checking the college website.All the best.

The best 3 colleges that you can aim with your score are:
1)Christ University, Bangalore
2)XIME, Bangalore & Kochi
3)BIIM, Pune
The cut off to get into these colleges are 70%. So you got a fair chance of getting selected if you perform well in the GD/PI. Work hard for it.
All the best

The best you can apply for with this score is Institute of Public Enterprise, Hyderabad. The minimum cut off to get into this college is 50%. So you got a fair chance of getting shortlisted.
All the best.