CBSE 10th

Hi
it is better to clear your 12th. From 10th onwards you may get Diploma but then to advance you need a degree which will be available only if you clear your 12th. You can see IGNOU/NIOS.

The expected CMAT cutoff for NIBM Pune is about 94 percentile and above. Hence your CMAT percentile is not enough for NIBM.

You can get a decent college with your excellent academic performance but I would rather suggest you to go for competitive exams.

The selection criteria of UBS Mumbai for PGDM (AICTE approved courses) is given below along with weightage given to various components involves in selection process.
1. Academic : 20%
2. Extra-Curricular Activities : 20%
3. Communication Skills : 20%
4. Work Experience / Leadership : 20%
5. Entrance Exa

Hi
You do not require 11th certificate. For admission anywhere, only 10th and 12th class certificates are compulsory.

Hi
View this link to predict which colleges you will get:
https://www.shiksha.com/college-predictor
cut offs:
https://www.shiksha.com/mba/cmat-exam-cutoff
https://www.shiksha.com/university/garden-city-university/get-exam-results.

Expected cut offs are decided by Admissions committed. Last year it was around 90 percentile in CMAT. This year the percentile required should be around this much only. Best wishes.

No, BBA being a Bachelor’s degree can be pursued only after class 12th. If you want to start with management at an early stage after your class 10th. You can go for Diploma in Business Administration. It will be of 3 years. And after Diploma in Business Administration you can go for BBA lateral Entr