The day 6 Navratri goddess is Goddess Katyayani. According to the traditional Hindu mythology, Goddess Katyayani is the sixth avatar of Goddess Durga, who is worshipped on the sixth day of the Navratri festival.
The evidence provided does not mention the specific offerings or rituals performed during the worship of Goddess Katyayani on day 6 of the Navratri festival. However, it does mention that traditional bhog is offered to the 9 avatars of Goddess Durga during the 9-day festival.
The article from The Times of India provides information about the traditional bhog offered to the 9 avatars of Goddess Durga, but it does not specifically mention the offerings made to Goddess Katyayani on day 6.
In Hindu mythology, Goddess Katyayani is often depicted as a fierce warrior goddess, riding a lion and carrying a sword and a shield. She is considered to be a powerful symbol of feminine strength and courage.