The Narcotics Control Bureau (NCB), probing the Bollywood drug nexus linked to the Sushant Singh Rajput death case, has issued summons to actresses Deepika Padukone, Sara Ali Khan, Rakul Preet Singh and Shraddha Kapoor. They have also called in Deepika's manager Karishma, designer Simone Khambatta, and Sushant Singh Rajput's manager Shruti Modi for questioning.