According to CBI ,  Sushant suicide case is as much important and priority case than CBI handling much older cases such as  ;
1) In tuticorin against environment pollution industry sterlite protesting 13 people innocent civil people murder act by Tamilnadu admk government .,
2) Twin brutal murder case of Son and father by Sattankulam police with the help of Sevsangam ( a rss affiliate ) in friends of police disguise., 
A team of the investigative agency is currently in Mumbai and the probe is underway.
They have quizzed many associates of the late actor including Rhea Chakraborty, her family, roommate Siddharth Pithani, house staff Neeraj Singh, former manager Shruti Modi, Samuel Miranda among others.
The reports also suggest that CBI will be investigating the angle of suicide and if abetment to suicide case can be made.
Meanwhile, The Enforcement Directorate (ED) has been grilling Goa-based hotelier Gaurav Arya in connection with the money-laundering probe in Sushant’s death case.
As per IANS, according to a senior ED official, Arya, the owner of Hotel Tamarind and Cafe Cotinga in Goa, once again appeared before the financial probe agency on Tuesday morning and is being questioned about his chats with Sushant’s girlfriend Rhea, where the two are allegedly discussing drugs.
The ED official said Arya is also being probed about his financial dealings with Rhea and her brother Showik.
The ED is recording his statement under the Prevention of Money Laundering Act (PMLA).
The ED questioned Arya on Monday for the first time for more than seven hours. On Sunday, Arya claimed he had never met Sushant and he had met Rhea once in 2017.
He categorically stated he has no connection with the Sushant case.
A team from CBI on Monday once again visited the flat of Sushant, while another team continued grilling Rhea, her brother Showik and Sushants former manager Shruti.
Highly confirmed sources revealed  However hard they are searching  CBI inside sources anonymously confirmed  that they could not found any evidence suggesting that Sushant Singh Rajput was murdered.
Sources inside confirmed fact is  onion how much if one peels skin after skin  there lies  nothing inside .. similar this case turns out to be ..  24×7 Grilling , raid, questioning all  leads to one road that is  Maharastra Police investigation that is ..  suicide only ..