Rhea Chakraborty is being grilled by the NCB today in Mumbai, for a second time, in the Sushant Singh Rajput death case. As per sources, Rhea Chakraborty could be arrested or detained at the end of the interrogation today. However it all depends on Rhea, how she responds during the interrogation. This is one of the main reason why the actress is co-operating with the agencies.