Mars (Mangal) Yantra on Bhoj Patra, an auspicious instrument use to appease the planet Mars (Mangal). Mars symbolizes Agni (Fire) Tatva. Weak Mangal (Mars) in Birth chart leads to problems related to Blood Pressure, Nervous System, Paralysis and Marriage. If Mars is in malefic situation in horoscope of a person, Bhoj Patra Mars Yantra is recommended to remove it's malefic effects. Mars Yantra blesses the worshiper with respect, good health and work as a protector.