The last night of Navaratri is known as Maha Navami. The NavDugra whom we worship is Siddhidatri. She has the ability to grant worshippers their wishes.

The last night of Navaratri is known as Maha Navami. The NavDugra whom we worship is Siddhidatri. She has the ability to grant worshippers their wishes.
Kalaratri is the NavDurga whom we worship on the 7th night of Navratri. She is the most fierce of the 9 goddess and teaches us to follow our true path.
Katyayini is the NavDurga worshipped on the sixth night of Navratri. This is also the second of three nights dedicated to goddess Lakshmi
The goddess Chandraghanta is the NavDurga who is worshipped on the third night of Navratri. She is the married form of the goddess Parvati and is depicted with a Moon on her forehead.
The goddess Bhramacharini is worshipped on the second night of Navratri. You can worship her to attain mental strength and confidence.
We worship the NavaDurga in the form of the goddess Shailaputri on the first night of Navratri. She rides Nandi the bull and carries a trishula, as she is associated with Lord Shiva.