The Narcotics Control Bureau on Friday questioned actor Rhea Chakraborty’s brother, Showik, and actor Sushant Singh Rajput’s housekeeping manager, Samuel Miranda, after searches in their premises in Mumbai. The NCB got fresh leads in the Sushant case following raids in a separate case in Mumbai in August last week. Drug dealer’s link Based on Vilatra’s purported disclosures, the NCB arrested …