Anushka Sharma Accepts Virat Kohli's Fitness Challenge, Further Nominates Dipika Pallikal and Varun Dhawan. Sharma took to Twitter to post a video of herself in the gym taking the # #HumFitTohIndiaFit challenge. She further nominated Squash player Dipika Pallikal Karthik and her Sui Dhaga co-star Varun Dhawan for the same.