There was heavy police deployment outside the NCB office, where barricades were put up.
Rakul, 29, was seen entering the NCB guest house in Colaba around 10.30 am and left after four hours.
"Mobile phones of Deepika Padukone, Shraddha Kapoor, Sara Ali Khan, Rakul Preet Singh, Karishma Prakash, Simone Khambatta and Jaya Shah have been seized," an NCB official said.
In a lengthy statement shared on Instagram, the filmmaker said neither he consumes narcotics nor does he promote usage of any such substance. Johar's response came after an old video from a star-studded party at his residence resurfaced on social media, amid Narcotics Control Bureau's (NCB) drugs probe in connection with actor Sushant Singh Rajput's death.