Three Indian teenagers turn a Class 9 science lesson into a salt-powered fridge and win Rs 11.9 lakh.

Three ingenious Indian teenagers have turned a standard <b>Class 9 science lesson</b> into a functional <b>salt-powered fridge</b>, bagging a massive cash prize of <b>Rs 11.9 lakh</b> for their innovation.<br><br>While adults spend decades debating paperwork and red tape over basic utility solutions, these young students actually applied foundational textbooks to solve real-world cooling problems without relying on traditional electricity grids.<br><br>This brilliant student-led project proves that practical ingenuity often beats theoretical boredom hands down.