Karakas in Jaimini Astrology
Jaimini astrology is different from Parashari astrology. For example, Jaimini astrology is based on houses and it does not consider nakshatra, Tithis and days whereas Parashari astrology is based on Nakshatras,Tithis and days. Results of houses and signs are similar in Jaimini astrology whereas there are many differences in the results of signs and houses in Parashari astrology. There are variable Karakas in Jaimini astrology and in Parashari astrology, there are constant Karakas. In Parashari astrology, planetary strengths are considered by tough calculations whereas Jaimini astrology has simple rules to consider planetary strengths.
As per Jaimini astrology, each Karaka plays an important role in the analysis of horoscope. Each planet is the indicator of different events of life. Functions of the Karaka planets are similar to the functions of the houses in the birth-chart.

Main Karakas in Jaimini Astrology

Atamakaraka
This is the chief Karak planet among all the planets. Planet which shares maximum degrees among all the planets will be the Atamakaraka planet. Atamakaraka planet should be placed in a good position because its strength or weakness will influence the entire birth-chart of the person. The natural Atamakarak planet is Sun.
Amatyakarak
Among all the planets, planet which shares less degrees than Atamakaraka but more than other Karakas will be the Amatyakaraka. There is no natural planet of Amtyakaraka but Mercury is considered as the natural Amatyakaraka planet.
Bhratrukaraka
Planet which shares less degrees than Amatyakarak will be the Bhratrukaraka planet. It is the lord of siblings and Mars is the planet of brothers and sisters. Therefore natural planet of Bhratrukaraka is Mars.
Matrukaraka
Among all the planets, planet which has less degrees than Bhratakaraka will be the Matrukaraka. It is the lord of mother and its natural planet is Moon.
Putrakaraka
Putrakaraka planet shares less degrees than Matrukaraka and it is the lord of children. Natural planet of Putrakaraka is Jupiter.
Gnathukaraka
Planet which shares less degrees than the degrees of Putrakaraka will be the Gnathukaraka. It is the lord of relations. Therefore its natural planet is Mars.
Darakaraka
It has lowest degrees in all the Karakas. It is the lord of spouse. Natural planet of Darakaraka is Venus.