is 75% attendence necessary for cbse board ?

yes, it certainly is otherwise they don’t think u to be eligible for the exams cuz they take it to be as follows-

not attending school lessons=could not follow lessons=will not be able to answer questions.

so plz get the required attendance %.

Here in Port Blair, students of these Islands have achieved pass percentage of 77.11% and 40.88% result in Class XII and Class X Board examination respectively conducted by CBSE.

What is cbse board?