Mangal Yantra should be installed and worshipped in order to appease planet Mars. Mars is the planet of sheer raw powers which initiates our actions. Mars represents our actions without any consideration of any reason behind them where as actions and energy of the planet Sun are governed by logical reasoning. The planet Mars manifests our Body Energy, Movement, Earth, Courage, Brothers, Sisters, War, Fire Arms, all inflammable products, Residential properties and Surgeons. It also stands for Security services, Military, Police force, Soldiers and Army.
The planet Mars is the Lord of zodiac sign Aries and Scorpion, and therefore rules them. It is EXALTED in the sign Capricorn and is DEBILITATED in the sign Cancer. The planet Mars is also one of the most significant factor for a successful marital life. Whenever, planet Mars is placed in the 1st, 4th, 7th, 8th or 12th house of a person's horoscope, he is tagged as a Mangalik person. A person with a weak or harmful Mars suffers from Blood disorders as well as Digestive problems, Accidents, Operations, Boils, Piles, High and Low Blood Pressure, Anemia and Injuries by fire arms. A conjunction of planet Mars with planet Rahu or Sun forms a bad Yoga known as Angarak Yoga. The presence of planet Mars in the 5th house is not considered favourable from progeny point of view and it can lead to miscarriage or abortions especially so if the planet Mars is being aspected by any other malefic planet. The presence of planet Mars in the 8th house is indicative of Accidents / Surgeries especially so if the Mars is in combination with any other malefic planet like Saturn, Rahu, Ketu or Sun.