Actress Kangana Ranaut on Wednesday tweeted, "I request Ranveer Singh, Ranbir Kapoor, Ayan Mukerji, Vicky [Kaushal] to give...blood samples for drug test, there are rumours...they are cocaine addicts." "I want them to bust these rumours, these young men can inspire millions if they present clean samples," she added. Earlier, Kangana said cocaine is the most popular drug in film industry.