After Prateek Yadav's sudden passing at 38, his gym videos have re-emerged online, highlighting his passion for fitness. Owner of Iron Core Fit in Lucknow, Prateek, son of Mulayam Singh Yadav and stepbrother to Akhilesh Yadav, gained international recognition in 2012 when he was named "international transformation of the month" by a leading bodybuilding website.