References to Durga appear in a lot of the most historical Sanskrit scriptures. She is named in hymns from your Rigveda and from the Atharvaveda (c. 1500–1200 bce). Two texts from the Hindu writings collectively called the Puranas are committed to the goddess: Goddess Durga is revered as the defender https://www.youtube.com/watch?v=S1HpMpEww4Q