Well per WP NPOV it s probably better to provide all the narratives how he describes himself how his supporters describe him and how he s described by independent reliable sources so that readers can get a proper overview Phrasing like variously described as x y z with the appropriate sources cited might be a better approach There seems to be fairly wide variety of descriptions e g the BBC say controversial Indian guru Either way Nithyananda s version of the truth has to be presented as his version not the encyclopedia s talk