Saudi Arabia, the United Arab Emirates, Oman, Qatar, Bahrain, etc., Indian embassies have set up CBSE schools and have allowed Indians or locals to set up private CBSE schools serving the needs of Indians in that particular country.
But, however, in countries where Indians do not reside, the Indian diplomatic missions have set up schools in countries like Russia and Iran which mainly serves children of diplomats.
^For the given dataset, if students took improvement exams (i.e, rewrote them) and hence wrote fewer than five subjects, the average of those subjects alone were taken. In all other cases like absenteeism in an exam for which the student has been registered, a score is 0 is taken in this case. This means that it is not possible to distinguish from the graph - though it is from the dataset - whether a student actually scored zero or did not show up for the exam itself.