Yantras are the symbols of the power of God. Persons that are not able to pronounce the mantras (incantations) properly, for them, their intentions are achieved by the consercration of the yantras, in the pooja (Worship). Every yantras has its own importance. Some yantrasAvail us happiness and prosperity. Some yantras have impact on our misfortunes bringing Peace. And some protect us from unexpected calamity, satisfy our inner desire and give us prosperity. Gaytri yantra is for the benediction/blessing of Mother Gaytri. For removal of vechile-accident-calamity, the Vahan Durgashtana Nashak yantra (vehicle accident destroying)yantra, Navgrah –shanti-yantra for the composures of Navgrahas, for the removal of tormenting of the saturn planet (Shani0the Shani-Grah-Peeda-Nivaran yantra to pacify the evil spirits in the Vastu/house the Vastu Yantra and Shree –yantra for gaining wealth (Laxshmi)----and so on…..