Tribe Weird Tradition on Diwali: Lord Rama's return to Ayodhya is celebrated as Diwali or Deepawali across the country and the world. Diwali is a festival of joy. Not only in India, but wherever Indians live, they celebrate Diwali with great enthusiasm. Did you know that there is a tribe in India that does not celebrate this festival with joy, but with mourning? Instead of remembering God, they remember their deceased loved ones on this day, which is why they celebrate Diwali as a mourning ceremony.