CMAT

Yes, actually. But, remember, any student who has cleared the cutoff can actually apply to Rajagiri Business School. So, you can apply, but students who have scored more than you will have an upper hand. Doesn't mean that you won't get the admission but just saying those students have more chances. According to my experience they will most probably call you for an interview. If they do, do well. All the best.

Yes, you do hold a chance to get admission in Chetana's Institute of Management and Research through PGDM if you do well in your GD and PI process.
You will have to enrol for the admission process, the last date for which is March 31.

Your score is bit low. You are eligible for the tier 3 colleges. But, you not be able to get seat in top B-Schools in tier 1-2 colleges. You might get seat in colleges like D Y Patil, ISB&M, IBMR etc. But, for colleges like WELINGKAR, KJ Somaiya, BIMM, Christ University and other colleges of Bangalore and Maharashtra you need above 80 percentile. Further, you can also try for paid seat in top B School in India.

What if someone has scored 243 marks and belongs to OBC category?

Yes, you do hold a chance to get admission in Chetana's Institute of Management and Research for PGDM if you do well in your GD and PI process.
You will have to enroll for the admission process, the last date for which is March 31, 2019.

Hey Yash,
The cut-off for CMAT varies from college to college. For detailed analysis, please use the below mentioned link.
https://www.shiksha.com/mba/cmat-exam-cutoff
All the best.

Hi Priya, the cutoff score changes every year. Last year's cut-off percentile for CMAT was 70, to get selected for further rounds.