In simple terms, An Yantra is a symbolic representation of a Mantra. They are emblems of psychic power. The literal meaning of yantra is am instrument or machine. Especially in Hinduism, Deities are worshiped in different forms and each form is linked to a yantra. It is said that if you are chanting mantras of a diety keeping his yantra while chanting can speed up the beneficial effects of the mantras. Yantras are widely used in meditation, Pujas and tantric rituals. Yantras can be made of various metals like copper, gold, silver, astadhatu, pancha loha etc. or a special leaf referred to as bhoja patra. The act of wearing, drawing, or concentrating on a yantra is said to have spiritual or astrological or magical benefits. If you observe a Yantra one can notice several symbols. Some Symbols employed in yantras are squares, triangles, circles and floral patterns but may also include more complex and detailed symbols like a lotus flower representing chakras, bija mantras in Devanagari, a swastik symbol representing prosperity etc.The process of creation of Yantra is represented by the five elements Earth, Water, Fire, Air and Ether while the activating is the process of putting the Soul into it.

Astrologically, Yantras have great significance and is considered auspicious in Hindu mythology. Since yantras are made up of metals, alloys, Precious stones, alloys etc and made on a particular date and time according to procedures defined in the Vedas and charged with siddhi mantras they can be used to remove a planet's malice effects and increase its beneficial aspects. Some of the most popular Yantras are Sri Yantra, Mahamrityunjaya Yantra, Kubera Yantra and Navagraha Yantra. Please find below details of important yantras.

Sri Yantra is the personification of Goddess Lakshmi, the Goddess of abundance. This Yantra is said to possess the powers to remove all negative vibrations and energies from the environment. Meditating on the Shri Yantra harmonizes and optimizes all legitimate goals in our life. Installing a Shri Yantra in one's home or at the place of work will protect the person from all Vastu deficiencies.

Ganesh Yantra is dedicated the Lord Ganesh, the remover of Obstacles and troubles. The worshiper of this Yantra is blessed with success in work and business, good luck & new opportunities in career, fulfillment of wishes & desires and achievement of goals & objectives.

Kuber Yantra is dedicated to Kubera, the god of wealth. It is said that the owner of the Yantra will never be lacking money and material comforts .This yantra is kept in house temple, Cash box, almirah etc. and is said to help in increasing the flow of funds and the ability to accumulate wealth.

Mahalakshmi Yantra is the Yantras of Goddess Lakshmi, the Goddess of Wealth and Prosperity and the worshipper of this yantra is said to be never lacking in money and material comforts. This should be placed in cash box, almirah, and purse or in temple of your house after worship.

Maha Mrityunjaya Yantra is representation of Lord Shiva and by worshipping one can escape from miseries and troubles of this materialistic world as well as the problems related to inner soul. This Yantra is useful for Mars and Saaturn related problems. The worship of this yantra is said to give freedom from the fear of death, grave dangers and fatal diseases and makes one courageous and healthy.

Vyapar Vridhi Yantra, as the name indicates, is used to increase prosperity and the flow of money in business. This Yantra is also used for solving business problems caused by external or internal influences.

Vastru Dosh Nivaran Yantra, as the name indicates, combats all the bad influences and ill-effects of Vaastu faults existing in one's home or office.

Navagraha Yantra helps to negate the malefic effects of the nine planets (Sun, Moon, Mars, Mercury, Jupiter, Venus, Saturn, Rahu and Ketu) and bestows beneficial effects. The Nav Graha Yantra is recommended for all individuals whose birth charts indicate negative positioning of planets within the horoscope that can afflict one's health, prosperity and peace of mind.

Hanuman Yantra brings courage to the individual and protection from dangers and evil eyes. Worshiping this Yantra is effective for those with malefic Mars in the Horoscope Chart. A Panchamukhi Hanuman Yantra is very powerful and can help one to get Success in all actions.