Rai said that he wished to give more information and wanted to disclose certain truths with regards to the case.
Rai is said to have told the court he was present at spot where Sheena was killed. "I am aware about acts connected with commission of the offence; I was a participant in murder of Sheena Bora," Rai told the court.
Rai also told the court that Sheena was killed due to strangulation.
Meanwhile, the judicial custody of Peter Mukherjea, Indrani, her former Sanjeev Khanna and Shyam Rai was extended till May 17.
The court directed CBI to file its reply on May 17 over Rai's plea to turn approver in the case.
Rai was the first accused to be arrested in connection with the murder case in August 2015.