text: sun,kya tumne suna? hrithik roshan ne ek fitness challenge shuru kiya hai, woh logon ko inspire karne ke liye fitness tips aur videos share kar rahe hain, kitna acha hai!bilkul, fitness ka craze aaj kal sab par chhaya hua hai, aur hrithik toh ismein expert hai, mujhe bhi uske tips follow karne ka mann kar raha hai, kya tum join karogi?