According to astrology, Yogas are special combination and position of planets in a horoscope. The strengths of the planets and houses, lordships, position in Navamsa, etc. is also considered in the formation of some Yogas. These Yogas play a significant role in a person’s life.
Yoga is a particular disposition of a planet or planets which is productive of specific results. There are hundreds and thousands of yogas described in astrology. The presence or absence of these planets in a horoscope has its strength. The placement determines the nature and stature of the native. The planets behave as benefic or malefic depending upon the houses they own in a horoscope. This naturally varies with the lagna. It is the interaction of different planets, as different house lords that results in the formation of various yogas.