Maha Saptami is celebrated every year on the seventh day of 'Shukla Paksha' in the Hindu calendar month of Ashwin, which falls on October 2 this year. Maha Durga Puja starts from Maha Saptami. Durga Puja, a Hindu festival, is celebrated with great fanfare and celebrates Maa Durga's victory over the evil demon 'Mahishasur'.