A Mumbai court has sent actor Rhea Chakraborty's brother, Showik, and Sushant Singh Rajput's manager, Samuel Miranda, to the custody of the Narcotics Control Bureau till September 9. The NCB, which is probing allegations of drug abuse surrounding Sushant Singh Rajput's death in June, has also been given custody of Kaizan Ibrahim, an alleged drug peddler, for 14 days.