Mumbai, June 26 (IANS) Singer and TV host Aditya Narayan is known to be a fitness freak. On Saturday morning, he took to social media and shared a video clip doing cross body hammer curl in his gym.Aditya is seen wearing a green T-shirt as he completes the count of his training, even as his trainer Kate Harshad monitors his weight training."Gainzzzzz @kate.harshad," Aditya wrote.Aditya Narayan presently hosts Indian Idol Season 12. --IANS eka/vnc