Upasana Kamineni, wife of Mega Power Star Ramcharan has accepted actress Samantha Akkineni's fitness challenge. The granddaughter of Dr. Pratap C Reddy (the Co-founder and Chairman of Apollo Hospitals), has posted a video of her intense workout in the gym. Earlier, her actor husband Ram Charan also accepted Young Tiger Jr NTR's challenge and posted a workout video. The concept of fitness challenge has become a hit all across India. A number of celebrities are taking part in the the noble event initiated by Union Sports Minister Rathore.