Lord Ganesh is closely associated with Ketu and is known to be his planetary overlord. So people are advised to worship Lord Ganesh to ward off all the evil effects that are apparent during this period.
Ketu Graha remedies include Ketu Graha shanti puja along with doing the Siddha yantra puja of ketu. Puja, Homam and Yajna remedies for Ketu dosha are also recommended. Wearing Cat’s Eye stone also helps in weakening the malefic effect of Ketu.
“Om Ketum Karnavann Ketave Peshomayyam Apeshase, Samushdwirajaythah”
People should chant this mantra regularly to get good results.