The first form of Goddess Durga is known as Shailaputri or Shailaja. She carries a trident in her right hand and a lotus flower in her left. She is depicted with her vahana or ride the “Nandi” bull. Shailaputri is the first form of Goddess Durga.
Brahmacharini, the female ascetic form of Goddess Durga, is worshipped on the second day of Navaratri. She is depicted as a female deity carrying a rosary made of dried rudraksha in her right hand and a kamandalu in her left hand.
The third form of Durga that is worshipped on the third day is Chandraghanta. The goddess is depicted with her third eye open and is always ready for war with demons. She has a half moon on her forehead shaped like a bell which also leads to her name being Chandraghanta.
The fourth form of the goddess Durga which is worshipped on the fourth day of Navaratri is the Kushmanda. The name Kushmanda can be broken down into Ku, Ushma, and Anda where Ku means "a little", Ushma means "warmth" or "energy" and Anda means "cosmic egg".
Skandamata is the fifth form of the goddess Durga and is worshipped on the fifth day of Navaratri, this form of the goddess is depicted as a female deity carrying Kartikeya in her lap for this reason Kartikeya is also known as Skanda.
Katyayani is the sixth form of Goddess Durga and is worshipped on the sixth day of Navaratri. She is depicted as the warrior form of Goddess Mahadevi or Durga. The other two fierce forms of Durga are Bhadrakali and Chandika.
Kalaratri is the seventh and is one of the most violent forms of Goddess Durga. She is the destroyer of darkness and ignorance and is depicted mounted on a donkey, with four arms, two of which are in a blessing and protecting pose while the other two carry a scimitar and a thunderbolt.
Mahagauri is the eighth form of Goddess Durga and this form is worshipped on the eighth day of Navaratri. This form of the goddess is depicted as a four-armed deity carrying a trident or Trishul on one hand and a damru on her other hand.
The ninth and the final form of Goddess Durga is Siddhidhatri and she is worshipped on the ninth and final day of Navaratri. She is believed to be the provider of all Siddhis.