Maa Katyayani is the Sixth form of Maa Durga, The name Katyayani came due to her father Name Katyayan Rishi, this is the Violent form of Maa Durga, in this form she destroyed demon Mahisasur.

Mantra: स्वर्णाआज्ञा चक्र स्थितां षष्टम दुर्गा त्रिनेत्राम्। वराभीत करां षगपदधरां कात्यायनसुतां भजामि॥

Swarnagya chakra sthitam shashtam Durga Trinetram. Varabhit Karam shadgpadmdharam katyayansutam Bhajami.