Kalsarp Pooja in Ujjain is a special pooja performed in Ujjain, India. It is conducted in the month of Shravan, the fifth month of the Hindu calendar. The pooja is dedicated to Lord Shiva and is conducted to ward off the ill effects of a Kalsarpa yog or a Kalsarpa dosha. The pooja involves chanting various mantras, offering flowers and other items like fruits, grains, incense, etc. to the deity, performing special rituals and performing a homa or sacrificial fire. The pooja is performed by qualified priests and is considered to be very powerful. It is believed to bring in prosperity, luck and peace of mind to those who perform it.