Hi sir/madam,

If your son is interested in business school admission, let him prepare for CAT exam. Then he can get good institute. For average marks like 60 to 70 percentage you can get some good institutes.

1. Christ University, Bangalore.
2. Amrita Business School.
3. BITS, Pilani.
4. IILM, Delhi.
5. Doon Business School.
6. MET, Mumbai.
7. IES, Mumbai.
8. Chetana, Mumbai.

Hope it helps.