Mahasaptami – The first day of Durga Puja in Bengal:
Mahasaptami, also known as Devi Saptami, is the first day of Durga Puja in Bengal. On this day, Kola Bow or Nabapatrika is offered a pre-dawn bath. Nabapatrika is an ages old ritual of worshipping nine varieties of plants. Nine plants collectively signify Navadurga Goddesses, nine aspects of Goddess Durga.
Durga Sapthami in South India:
In South India, Maha Sapthami has a great significance as it the beginning of Triratra vrata which is performed by most of the households in Andhra Pradesh, Karnataka, Maharashtra, Gujarat and Tamil Nadu. In Kanakadurga Temple of Vijayawada, Andhra Pradesh, Goddess Durga is decorated and worshiped as Goddess Mahalakshmi. On Seventh day of Durga Navratri, Goddess Kalaratri or Kaaldatri Mata is worshipped in some other regions.