Mahishasura Mardini stotram is based on Devi mahatmyam in which Devi takes the forms of Durga in Chandika Form to slay Mahishasura.Aigiri Nandini Stotram is addressed to Goddess Mahishasur Mardini. Aigiri Nandhini song are there for providing positive and empowering content to the mind. One of the famous song. Our minds are usually in free flow and undirected, recitation of mantras and stotras helps to focus our minds and ground them.