A 15-year-old boy, whose death following a Diwali night clash between two groups of teenagers in Dehradun was initially blamed on an assault. A CCTV footage has suggested he was crushed under a. A 15-year-old Class 10 student died after allegedly being beaten by a group of youths following an argument over a car door near Suri Chowk in Dehradun around 3am on Monday.