A Further tale records that a demon named Madan obtained Vak-siddhi, by which what ever he reported came genuine. He misused it to trouble human beings and murder persons. An additional etymology implies that valga usually means "to paralyze" and symbolizes the strength of stambhana, "paralysis" the goddess is claimed to grant; this https://www.youtube.com/shorts/5VeSyP9JRw0