Bada Osha is a popular festival celebrated by the people of Odisha to honor the goddess Mangala. This auspicious festival is observed with great devotion and enthusiasm. The main rituals of Bada Osha include fasting and offering prayers to seek blessings for good health and prosperity.

During Bada Osha, devotees abstain from food and water for the entire day and perform various rituals to please the goddess. In the evening, a special feast is prepared and offered to the deity as a part of the celebrations. The festival of Bada Osha is a time for family gatherings, feasting, and seeking divine blessings for the well-being of loved ones.