Fitness initiative 'Hum Fit Toh India Fit' kickstarted by Minister of State Youth Affairs & Sports, Rajyavardhan Singh Rathore seems to have gone viral. In the campain, one not only posts a video of them working out, but also challenge other people. Challenged by Rathore, Soundarya Rajinikanth uploaded a video of her working out at the gym too, challenging brother-in-law Dhanush and Sriya Reddy. “Hey giys, let's all share this Thank you for inviting me to be a part of this amazing initiative respected @Ra_THORe sir #FitnessChallenge .. calling out to two crazy fitness freaks I know my brother in law @dhanushkraja & @sriyareddy to share videos too.”