There are five parts of Panchanga:Tithi, Var, Nakshatra, Yoga & Karan produce Panchanga together.
There are 27 types of Yoga. But a Jataka suffere by Dosha , if Jataka was born in following Yogas. Jatakas life affected by many ways.
In this situation it is necessary to perform Shanti Puja Vidhi.