Most Kartha families have their ancestral tutelary deity as the Hindu Goddess Bhadrakali, or the Goddess Durga. A few families also consider their ancestral deity as Vettakkorumakan, a Hindu entity worshiped in parts of North Kerala.
The majority of Kartha families have their ancestral deity as either Bhadrakali or Durga, while some families consider Vettakkorumakan as their ancestral deity.