This can help to propitiate and strengthen Ketu and to receive Ketus positive energy. If you are having any one of these doshas in your birth chart you are advised to perform remedies to Ketu. Remedies Means worshiping Ketu with Mantra, Tantra and yagya. These remedies will never give negative results and these will increase positive results of Ketu.
It is done for Five Days by two pundits for three hours each day. A total of 23,000/10,500 recitations of Mantra Japa will be done in Five Days. This Yagya will be done in four stages – Japa (Repeated recitations/continuous Mantra Chanting), Homa (Fire Ceremony), Tarpana (Offering the Divine energy generated thus to the Planet Ketu), and Dana (Giving in charity of the essential related items to a Vedic Pundit in lieu of Planet Ketu).
This is done for the appeasement of Ketu (South node), to attain special blessings, and to neutralize all the related negative energies.