Analysis of information sources in references of the Wikipedia article "Concubinage" in English language version.
In medieval Rajasthan, there seems to have been different categories of concubines. The pardayat was given chuda (bangles) by the Rani almost accepting her as a co-wife. Also, the Rajputs could keep woman of any caste as pardayat but not a Charan, Brahmin, or a Rajput woman.