Matangi Dasamahavidya too, is worshipped on Mahanavami as a part of Dasamahavidya pooja in Navratri. Mukteshwari is the Goddess to be worshipped on ninth day of Navratri as part of Saptamatrika and Ashtamatrika puja.As per Hindu beliefs,Durga pooja on Maha Navami is equivalent to the Durga pooja performed on all nine days of Durga Navaratri.

Goddess Siddhidatri puja is also performed on Mahanavami day,by the Navadurga Shakteya sampradaaya people.In Bihar,Kashmir,Punjab,Uttar Pradesh,Haryana and Bihar; Kanya Puja is performed,when nine young virgin girls(kumarika),are worshipped,who symbolically represent the nine forms of the goddess Durga.Their feet are washed,kumkumis applied on the forehead and they are feasted and given gifts and new clothes by the worshippers.

On Mahanavami day, in South Indian states especially in Kerala, Ayudha(arms) Pooja is performed.Tools, instruments,muiscal instruments and books are worshipped.The next day of Mahanavami is observed as Vijaya Dashami.In some rural places, Janthu bali (animal sacrifices) are performed on Mahanavami daywhich is against the Hindu culture and society.

Suvasini Puja, Kanya Puja, Dampati Puja, etc. are observed on Mahanavami day in Navratri. In some places of Telangana region of  Andhra Pradesh, Bathukamma festival is celebrated.On this final day Saraswati Visarjan(immersion)or Saraswati Udyapan is done.It also concludes the Devi Triratra vrata (3-day or 3-night Devi vrata).

                                                              

                                                          Mantra