Hi,
Since he is in class 11th he has enough time for preparations and it will be good to start thinking and preparing side by side for the examinations.
You can find online faculitues anytime for live classes and students can connect anytime as per their alloted batch. To be more precise you can find the exact details on CBSE teachers here CBSE teachers in Bahrain
Thanks,
Rohan. S
IIT - Mumbai