Bollywood stars consistently push boundaries for their craft, as seen with Akshaye Khanna filming in Ladakh's thin air with an oxygen cylinder for 'Dhurandhar'. Ajay Devgn braved sub-zero temperatures for 'Shivaay', while Shah Rukh Khan and Kajol endured Iceland's chill for 'Dilwale'. Alia Bhatt and Ranveer Singh also faced freezing conditions for 'Tum Kya Mile', showcasing immense dedication.