Kalsarp Yantra is worshiped to negate the effects of the Kaal Sarp Yoga. This yantra reduces the ill-effects of Kaal Sarpa yoga and blesses people with fulfillment of their wishes.People having Kaal Sarp Dosha shall perform Pooja on Naag-Panchmi as well as establish energized Kaal Sarp Yantra in their house to protect themselves from the evil effect of this yoga. Mantra for this Yantra :- "Om Triyambhakam Yajamahey, Sungandhim Pushti Vardanam Uruvarukamiva Bandhanan, Mrityor Muksheeya Mamritat "