The Narcotics Control Bureau (NCB) have summoned some of the big celebrities of Bollywood like Deepika Padukone, Shraddha Kapoor, Sara Ali Khan and Rakul Preet in the drug-related probe linked to the case of late actor Sushant Singh Rajput. The wider drugs nexus of Bollywood unveiled as NCB scrutinized the drug angle. According to NDTV's , the involved actors have been asked to appear in the next three days.