A 9-year-old Class 3 student tragically died after collapsing in her Mayur Vihar classroom in Delhi. Police are investigating the incident, with CCTV footage showing the sudden collapse, and post-mortem results awaited to determine the cause. A class 3 girl fell inside the classroom and died prompting panic in a school in Delhis Mayur Vihar area on Wednesday The exact cause of death would be established after the post-mortem but the preliminary.