A student suicide every hour is a grim reality in the fiercely competitive academic world in India. Behind big success stories of high achievers lies a dark underbelly. For every success story, there are dozens who do not make the cut and feel trapped in a situation where they press the exit button. NDTV brings you a ground report from three states - Tamil Nadu, Telangana and Rajasthan - that report the highest numbers of student suicides to explore the factors that are pushing students over the edge.