CBSE 10th

Try to go for higher study in the same subject. Few good higher study option could be -
- MBBS
- B.Pharma
- B.Sc. Ventenary Science
- B.Sc. In Bio-Technology
Try to choose a course which is relevant to future demand and target to pursue it from top college. Few courses like MBBS Bharma are evergreen career choices. Few popular entrance exam for higher study could be NEET AIMS Nursing and MBBS exam, JIPMER, Indian Army B.Sc. Nursing Entrance Exam, ICAR entrance, CUCET.

You can explore on -
1) Science stream ( for medical and engineering)
2) humanities stream ( for higher study in Law and allied subjects)
You must be clear with planning and goal of atleast next 5 year. You can explore on career option in humanities and Science stream. The planned you are with your future goal the better it would be. Best wishes.

Your academic background very good enough for getting admission in asked colleges subjected to the meeting the entrance exam cutoff criteria of respective B-School.

You can aim for any college because most of the colleges have a decent weightage to CAT score. But you should keep one thing in mind that you don't have any advantage from your acads so you should work a little more harder than others to get a top college. That's it.