Hi! Hope you are doing great! He has lot of options further to do as it may vary as science or Commerce! If he has taken science then he can do Btech , or give neet exam for medical courses or if he has taken commerce he can do Bachelors in commerce or He can also take Bachelors in business administration Bba or Even he Can do Bca even if he has taken Science! These are three years courses which he can select ,

all the best.