Navaratri begins at Tara Tarini Shakti Peeth

Navratri is a festival dedicated to the worship of Goddess Maa Durga/ Shakti. The word Navaratri literally means nine nights. During these nine nights and ten days, nine forms of Shakti/Devi are worshiped. Like in First Navratri – Shailputri, Second Navratri – Bhramcharini, Third Navratri – Chandraghanta, Fourth Navratri – Kushmanda, Fifth Navratri – Skandmata, Sixth Navratri – Kaatyayani, Seventh Navratri – Kaalratri, Eighth Navratri – Mahagauri and Ninth Navratri – Siddhiratri are worshipped. The tenth day is commonly celebrated as Vijayadashami or "Dussehra". 

Vijayadashami or Durga Puja is a festival, which is celebrated in different ways in India. In major Shakti Peethas like Kamakshya, Daksinakali, Bimala, Vaishnodevi, Chamundeswari and particularly in Adi Shakti Peeth of Maa Tara Tarini the Durga Puja is observed for 16 days, starting from Krushna Paksha Ashtami to Shukla Paksha Navami of the Hindu Calendar, also known as Shodasa Dinatmaka Upachara. Navaratri is the last nine days of Shodasa Puja.