The rectangular (chouko) Patachitra depicts popular folklore of Manasa Mangal Kavya. Goddess Manasa (Goddess of snakes or serpentine Goddess) is regarded as one of the most powerful and revered Goddesses in Bengal. The story of Manasa Mangal begins with the conflict of the merchant Chand Sadagar with Manasa and ends with Chand Sadagar becoming an ardent devotee of Manasa.