Ravinderji
Hardeepji has quoted above from Jatland itself:
"Later to minimize the influence of Buddhism and Jainism in India, the Brahmans organized a grand yagya at mount Abu in Rajasthan, which continued for 40 days. Almost all the ruling clans attended this yagya. The ruling clans which took part in this yagya were titled as ‘Rajputs’. Four Kshatriyas appeared from the agnikunda namely, Solankis, Pratiharas, Chauhans and Paramaras. They were termed, "Agnivanshi Kshatriyas". "
It explains that Rajput is a Sub-Union (subgroup) of Ancient Jats in terms of mathematical language.