About 300 students of class 12 have sent a letter petition to the Chief Justice of India NV Ramana to cancel the decision of holding offline exams for the Central Board of Secondary Exam (CBSE) Class 12 board exams this year. The students have asked Supreme Court (SC) to direct govt to provide an alternative assessment scheme for them. The students say that this exam can pose a threat to the lives, health and safety of millions of students, teachers, parents and support staff. Watch video.