Analysis of information sources in references of the Wikipedia article "Royaume Nishadha" in French language version.
« The Niṣādas are surely quite distinct from the Niṣādhas, with whom they are often confounded but who in all probability belonged to the Aryan fold. »
« The Niṣādhas, residing in the Niṣādha country were obviously Aryan tribes and they should not be confused with the Niṣāda, the non-Aryan tribe. »