As NCB widens its probe into the alleged Bollywood-drug nexus case, after Sara Ali Khan, Shraddha Kapoor and Rakul Preet Singh, now Deepika Padukone, Dia Mirza are on the probe agency's radar. Now NCB has issued summons to 7 celebrities, including Deepika Padukone and Sara Ali Khan for questioning in the drug probe. To know more watch this video.