Importance of lighting Incense sticks in temples

Incense sticks are lighted to provide good smell wherever it is lighted.It has the ability to clean negative energy which purifies prana shakthi. According to siddhars, by lighting incense sticks  in hill temples from the time of going up the hill till coming down the last step of it, will remove bad people from our circle who indulge in malpractice without our knowledge. 

Thanks to agasthiar blog.