diwali diya oil lamp against the backdrop of the festival of lights

diwali festival lights diya oil lamp isolated illumination hinduism india cultural celebration religious significance sikhism jainism holi deepavali divali lighting ceremony traditional artifact handmade crafts clay pot wax cotton wick decorative element colorful design hindu mythology rama sita lakshmana ravana lord vishnu goddess durga celebratory spirit family gathering food festivals sweet treats rangoli patterns decorations fireworks laughter cheer community bonding unity prosperity happiness victory light darkness symbolism