The Supreme Court has advised caution as it heard a clutch of petitions for a re-test of the May 5 NEET-UG exam, the results of which were released last month and have been marred by leaked questions and the award of 'grace marks', or preferential marking, for 1,563 students. At the same time, the court said, "One thing is clear... questions were leaked. The sanctity of the exam has been compromised." On Left, Right & Centre, with students, educationists and authorities we decode this Great Indian Exam Mess.