Literally Yantra means an instrument. Sanskrit word Yantra means apparatus. IThe Yantra is a geometric design which provides you a focusing point for concentration and meditation. The Yantras are considered highly efficient because they help you do better contempletion, concentration and meditation and the possibilities of your making mistakes or going straight while meditating also decrease with the smart use of Yantras. As mantras are recited to attain realisation of God similarlily visualization imagination of Yantra is also helpful to attain union with God
Yantras in most advanced phases are used to achieve total silence in mind where mental chatter stops completely. This is achieved by tatics of concentration. You shall have to meditate on one single object like Yantra. This Yantra shall be used till the time your mind achieves aspired silence. after acheving this silence you shall be training yourshelf to keep your mind empty without help of Yantra. Slowly slowly you shall be becoming more progressive in your effort of realisation of God in your life. Different Yantras are different Gods therefor, by tunning yourshelf in a specific Yantra you shall be tapping a specific creative energy centre of God in universe.
Yantras can be defined as a visible mantras. They have been used since the Vedic age to remove the malefic effects of certain evil forces and to strengthen the positive powers. Yantras are avaible to create vibration and other mystic effects of a mantra by sight. These Yantras are representing God are based on specific geometrical design and mathematical equations.
For energizing Yantra the assistance of learned and expert person in energizing Yantra is taken. The process of energizing Yantra (Prnprathistha) is done by reciting the Mantras of the presiding deity of Yantra and after that Homas should be performed by decorating the place of sacred fire and Ahutis should be given. Use of energized Yantras is popular because they are highly beneficial for us in thousands of ways. If the user of Yantra is having enough faith, trust and respect for Yantras, he shall get benefitted from the countless benefits of Yantras in several ways like to get rid of poverty, enemies,anger, bad time, bad effects of planets , diseases and many more.