Diya’s are symbolically lit during prayers, rituals, and ceremonies; they are permanent fixtures in homes and temples. The warm, bright glow emitted from a Diya According to Hindu beliefs, brass is associated with Agni, the god of fire, and is considered an auspicious metal for conducting fire-based rituals. This connection with fire and purity aligns beautifully with the essence of Pooja, which seeks to purify the mind and soul. is considered auspicious, regarded to represent enlightenment, prosperity , knowledge and wisdom.
An auspicious program is incomplete without lighting of diyas. Lighting a lamp has deep spiritual significance. All ceremonies, daily worship rituals, auspicious functions, religious occasions as well as new ventures start with lightning of the lamp.
According to one thought school ” the oil in the lamp (diya) equates to the dirt in the human mind such as greed, hatred, lust, jealousy etc. The cotton used to make the wick is symbol of ‘the atma’ or self/soul. Hence the lighting of the lamp signifies that in order to enlighten, one needs to get rid of all materialistic thoughts.”