Nithyananda admitted to his Karnataka CID interrogators in April 2010 that during her stay at his Bidadi ashram for more than a year, he ”had sex with her many times”
Nithyananda himself accepted to the CID that he had sex with Ranjitha:
During his interrogation on April 27, Nithyananda’s recorded statement gave graphic details of his alleged affair with Ranjitha.
He also claimed that he “might have had sex with more than 15 women.”
Regarding the authenticity of the video:
The authenticity of the CD is corroborated by the Hyderabad-based Forensics Science Laboratory whose report clearly says that “there are no indications of alteration in the identified video shots on the basis of examination using non-linear video editing and storage system and video analysis system”.
Copies of the lab reports are in the possession of Deccan Herald.
More info at Deccan Herald