It was Rao kandha, King of jangloo the Empire, he was cruel king.
Maa Karni was an avatar of Maa hinglaj. When she came to jangloo she at that king is so cruel and misbehaving, he also disrespect Maa, and came to Maa place where she use to stay, with his army, and Maa draw a line and said if you cross this line, you will die. And the arrogant king ignoring Mata words cross the line, and Maa lion cut, s his body into parts. And make the kingdom of jangloo a peaceful place.
You aren't familiar today jodhpur was also established by Maa Karni and bikaner too.
Actually story start with Maa awad and her seven sister, are avatar of Maa Parvati.
So mamadiya ji was the, bhakti of Maa hinglaj, it was very difficult to reach hinglaj Mata temple, it was around 2000 years ago, he was such a big bhakt that he had completed 7 trip to Maa hinglaj.
As last Maa hinglaj gave Darshan to him and ask his wish, he said Maa I have no child, so can you give boon of a child and then hinglaj Maa said.
Maa it is very difficult, since you wife does.n, t gave uterus, but I will take birth at your house as a seven sister.
And mamadiya ji request to his house, one day when mamadiya ji was taking out the milk of cow, seven white mice suddenly jump form the utensils and straight away goes to the ,baby chair and seven sister were sleeping on the bed.