As contestants from diverse walks of life gear up to battle their deepest fears on COLORS’ 'Khatron Ke Khiladi 15', the show promises a turbo-charged mixture of grit, adrenaline, and edge-of-the-seat action. Injecting the show with an electrifying dose of Gen-Z fearlessness is its youngest contestant - Ruhaanika Dhawan, who is ready to swap textbooks for combat zones. Having just wrapped up her first semester final exams, the young actor wastes no time catching her breath. In