Vijaya Dashami, also known as Dasara or Dussehra, is concluding day of Durga Puja. In 2021, Vijayadasami date is October 15. Many rituals are performed on Vijayadashami day. Simollanghan, Shami Puja, Aparajita Puja, Rajarajeshwari Puja, Kamalatmika Puja, Ayurdevi puja, Ayudha Puja, etc are observed on Vijaya Dashami day.
Aparajita Puja is the culmination of four-day Durga Puja in Orissa, Bengal, Assam, and other Eastern parts of India.
Rajarajeshwari Puja is observed on Vijayadashami in Vijayawada Kanakadurga temple. Durga mata is decorated and worshipped as Goddess Rajarajeshwari (Rajarajeshwari alankaram) in most of the South Indian temples. Kamalatmika or Kamala Puja is observed as part of Dasamahavidya worship. Ayurdevi is the Ashtamatrika Goddess to worship on Vijayadashami.
Shami Puja and Ayudha Puja are also performed on Dasara. Shami tree (botanical name of Shami tree – Prosopis spicigera) is worshipped on this day. Simollangan ritual is observed in Maharashtra on this day. Shami Puja is called as Banni Tree Puja (Banni Puja) in Karnataka (Kannada name of Shami tree is Banni). Banni Puja is celebrated in grand manner as the concluding event of Mysore Dasara festival.
Sri Shirdi Saibaba Punyatithi (Shirdi Saibaba Maha Samadhi day) is observed in all Saibaba temples on Vijayadashami. It is a four-day festival in Shirdi Saibaba temple.
Vidyarambham or Ezhuthiniruthu is the initiation ceremony of education and knowledge to children below 5 years. Vidhyarambham is celebrated on Vijaya Dashami in grand manner in Kerala, and some parts of Tamil Nadu and Karnataka.