According to the Vedic Astrology, Yantra is a science which can be utilized through the five elements - earth, water, fire, sky and air; by the recitation of mantras to control nature in one's own interest. Deities are worshipped in different forms and each form is linked to a Yantra. The Yantra employs signs and writings to remove a planet's malicious effects and increase its beneficial results. Thus, Vedic Yantras are the graphic representations of Mantras. Yantras can be drawn, engraved or painted on a variety of substances like the eight tantrik surfaces - gold, silver, copper, crystal, birch, bone, hide (which can include any type of paper), and Vishnu stone (Shaligrama). The Yantras should be beheld daily in the morning and one should lit incense stick or lamp before it every morning. Yantras are equipped for different purposes and every purpose has to be acquired through specific type of Yantras.
Vaastu Yantra - For Flawless Abode
The Vaastu Yantra, a very beneficial Yantra, combats all the bad influences & ill-effects of Vaastu defects that subsist in one's home or office. The Vaastu Yantra not only helps to heal all inherent Vaastu flaws like those related to direction, location, situation of a building, situation of rooms etc, and eliminate their ill-effects, but also spawns the constructive & favorable effects of Vaastu. This Yantra should either be buried under the ground before or after construction, with appropriate rituals, or instated in the 'Puja' room, and venerated.
The Mangal Yantra works remarkably in case of delayed marriages, critical marital life, abortions, denial of children, burden of debt etc. Mangal Yantra helps the worshipper to achieve success in all his efforts to gain desires and lead a comfortable life. The use of the Mangal Yantra facilitates one to overcome his enemies, and gain protection from the effects of toxic articles.
The Baal Gopal Yantra is the panacea for achieving children. All prayers of childless couples for progeny are answered through this Yantra. The use of this Yantra brings joy to couples desiring offspring.
The Karya Siddhi Yantra ensures the individual's well-being & success in almost every aspect of life. The Yantra comprises a circle, divided into seven equal segments, each segment embodying a sphere of life - wisdom & healing of diseases; music & happiness; family progress; health, prosperity, a happy home and protection from all troubles; power, finances; success in politics, favors from superiors; protection against the 'evil eye' and other dangers; and audacity against all odds.
The Nav Graha Yantra helps negate or nullify the malefic effects of the Nav Graha (nine planets) and confers beneficial results. It consists of nine squares, each with a talisman representing one of the nine planets - Sun (Surya), Moon (Chandra), Mars (Mangal), Mercury (Buddha), Jupiter (Brihaspati), Venus (Shukra), Saturn (Shani), Rahu (Dragon's head) and Ketu (Dragon's Tail). The Nav Graha Yantra safeguards one's health, prosperity and peace of mind from the undue influence of the negative positioning of any of the nine planets.