CBSE 10th

For MBA you need to have a valid CAT scorecard. Without that you can not apply.

Don't go for coachings they loot you without anything self study is best buy the online and offline materials of course as they are helpful.
Start solving English aptitude
Think about data interpretation
Try and solve them
For Quant I suggest solve the entire 10th syllabus and and don't mug up tricks but try to derive them on your own
Aur haa for logical get arihant and s chand
Stay blessed

As you have very relevant under graduate specialization I suggest you should explore the MBA option seriously. Don't worry about your 12th standard marks for now. Try getting a good score in your under graduate.

Yes you can apply for the admission ,As College take their own aptitude test.
You can get admission on the basis of the performance in the college admission procedure .
Scoring good marks in competitive exam is additional benefit .
Admission process comprises of 3 rounds . 1) Aptitude test 2) Group discussion 3) Interview

Dear Rohit, It's not impossible. What do you plan to study?

Colleges for fire and safety course in Kerala:
- National Institute of Fire and Safety (NIFE Cochin), Edappally (Kerala)
- Fire and Safety Forum, Ernakulam (Kerala)
- International Institute of Safety Management and Technology (IISMT), Kochi (Kerala)
- HIST Pvt Ltd (Haris Institute of Safety Technology), Thiruvananthapuram (Kerala)
- International Institute of Fire and Safety (IIFS), Kottayam (Kerala)
- National Centre for Professional Training (NCPT), Pathanamthitta (Kerala)

Admissions in colleges and streams are on basis of their cutoff percentage.

You should be thorough with your NCERTs. Try to solve many maths problems and follow a regular pattern for study. You should prepare itself from start to end in a regular and efficient manner. Best of luck.