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.
Vishwakumbh
Atigand
Shul
Gand
Vyaghat
Vajra
Vyatipat
Parigh
Eindra
Vaidhruti
In this situation it is necessary to perform Shanti Puja Vidhi.