What's the dark side of competitive exams that many students don't know?

We all know that competitive exams like JEE, NEET, and UPSC are tough, but they often decide one’s entire career. They open doors to prestigious institutions and jobs, giving a head start in life that might take much more time and effort through other educational paths. While everyone only talks about the positives, what are the hidden downsides of such exams that students are unaware of?