University Of Madras — professor less knowledge in online examination

I am bharath s studying b.com (Ism) in gurunanak college which is autonamus and under the university of madras. Therefore they conducting online exam for final years with help of google meet and google classroom. The problem is teachers and hod has less knowledge in that. They are not even considering the problems of students and not listening to students. The are blackmailing the students that they could fail the students of students ask or tell anything about their problem. Some students are not having proper facilities in online examination. Moreover they are not providing any proper information about the examination. Please make action on this and make students life better.