A youth was today arrested for allegedly making an obscene MMS of his teenage Nepalese friend, and threatening to upload it on Internet. A case was registered against Rohit (20), who lives in Vaishali Sector-7 area, on a complaint by the father of the 14-year-old girl, police said. In his complaint lodged on Friday, the father alleged that Rohit, 20, and her daughter were friends. Recently, he took her to a shopping mall, where he offered her soft drink mixed with sedatives and made her obscene video, the father alleged. ‘After making obscene MMS, Rohit started blackmailing her and threatened to upload the video on Internet,’ a police officer said.