A combination of lemon and chilies commonly known as Nazar Battu in India and traditionally is made by seven chilies and one lemon tied together and hanged on the walls of houses, offices, shops and vehicles to protect one's home or possession from all the evil spirits and evil eyes of jealous competitors.
It is among one of the many superstitions spread over all across India, but nowadays many people also scientific explanations according to which Lemons and chilies are natural disinfectants. Chili has medicinal powers. It kills germs keeping insects and pests away. The organic pesticide has a high content of chilies for the same reason. When hung outside the house, chili keeps the environment germ free. and for the believers in these superstitious things these najar-battu are like protectors from evils.
Many people also relate this with the mythology and believes in a story that as there is a Goddess Laxmi who is considered as the goddess of prosperity, happiness and success and everyone want to invite her to his house but along with her sometimes her sister Alaxmi also comes in whose opposite of Laxmi.
Goddess Laxmi is offered offerings like sweets,fruits and flowers e.t.c while Goddess Alaxmi gets happy by offerings like Lemons chilies and many other such things and thus doesn't cause any evil or bad to the person having these najar-battus inside their home and vehicles.
Its kind of placebo effect If you really believe in these things they might work for you even if incidents are coincident it leads to more stronger believes of these things.
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