Hanuman Yantra is to worship Lord Hanuman. The lord of power, Authority and Vigor is Lord Hanuman. Those who worship Him are blessed with Strength of mind and body and immense protection . Also beneficial for those who have malefic Mars in their chart or Horoscope . Worship of this Yantra regularly will give the devotee success in anything they desire. Hanuman Yantra is very auspicious and useful in business success also. This Yantra is very powerful and tested. It enables healers to strengthen their ability to transfer healing prana. If a person does Hanuman Sadhan (regular worship for 40 days ) , then during this period the Sadhak should remain absolutely pious and observe Barahmcharya. Keep fast on every Tuesday after starting the sadhana.