'Diya' removes negativity
During Deepawali, it is believed that lighting a lamp with cow's ghee, mustard or sesame oil removes negative energy in the house, positive energy is transmitted, prosperity comes into the house and family members gain fame and stature. According to Vaastu rules, the 'Akhand Deepak should be placed in the 'aagrey kone' or igneous angle of the place of worship. Keeping the lamp in this direction brings wealth and victory over enemies.
Also Read: Diwali 2021: Muhurat time, significance, history, puja; everything you need to know