 History tells us, that this military battalion prayed to Goddess Mahankaali, to kill the plague, and if the Goddess would do so, they had decided to install an idol of the Goddess Mahankaali in the city.It is believed that Mahankaali destroyed the disease and kept the pestilence away.Then, the military battalion returned to the city and installed an idol of the goddess, which was followed by the offering of "Bonalu" to her.