The CBI is investigating the Sushant Singh Rajput death case. Rhea Chakraborty and her brother Showik Chakraborty along with the others will be questioned for a few more days. Meanwhile, speaking with Aaj Tak, Shruti Modi (Ex-manager of Shushat) lawyer said that Sushant's sisters were aware of the drug parties that were used to happen at Sushant's house. Watch this video for more.