 A "prashasti" (eulogistic inscription) issued by Vigraharaja IV found at Adhai Din Ka Jhonpra states Ajayaraja II (Ajayadeva) moved his residence to Ajmer.The later text "Prabandha-Kosha" states that it was the 8th century king Ajayaraja I who commissioned the Ajayameru fort, which later came to be known as the Taragarh fort of Ajmer.According to historian R. B. Singh, Ajayaraja I probably founded the city, as inscriptions dated to 8th century CE have been found there.