On Day 4 of the investigation, CBI again questioned Sushant Singh Rajput's friend Siddharth Pithani and the actor's cook Neeraj. Rhea Chakraborty and her family members are yet to be questioned by the CBI in the Sushant Singh Rajput death case. According to sources, Rhea will soon be summoned by CBI. Meanwhile, Aaj Tak spoke to Surjit Singh Rathore, who saw Riya Chakraborty near the dead body of Sushant Singh Rajput. Watch this video for more.