Atma means the soul and karaka means significator. Atmakaraka is the significator of the soul’s desire.
According to the Vedic philosophy a soul is reborn because it has unfinished desires that were left unfulfilled in the previous lives and it is born again to get another opportunity to satisfy them.
The Atmakaraka planet shows the nature of the individual’s soul. It shows the soul color or soul flavour of that particular person. It is the planet that we have the most karma to work with in this life.
When Sun is also char atmakaraka, the person automatically posses Leadership qualities. He is Authoritative and self confident. But he will be egoistic. He need to learn how to overcome the Ego and become humble. This is the purpose of the soul in this birth.
If sun is your atmakaraka You are learning to fine-tune and cultivate the qualities of the Sun. Showing self-expression, being in charge, learning how to execute justice while in charge, being the center of attention, being magnanimous and generous, cultivating creativity, cultivating charity, showing passion and fire in your work, learning to let others shine, learning to defer to others and not always want to be first, learning to become humble, learning to temper pride and express it in healthy ways rather than unhealthy ways that may destroy close relationships.
Emotions and compassion towards others becomes a big issue. Due to excessive emotional dependence, the native may always be looking for relationships, or relationships will be looking for them.
You are learning to fine-tune and cultivate the qualities of the Moon. Being nurturing towards those in your immediate vicinity, such as family members, friends and co-workers, etc., caring for others, developing compassion, growing emotionally, helping others in their emotional affairs through showing understanding (not trying to give advice or change the person unless requested), nurturing plants or pets/animals, caregiving the young, the old, or the sick as a mother would, taking care of the home and family, conducting public affairs in a caring and nurturing way.
Short temper, or excessive anger/violence may be expressed or experienced by the native, and the native should make a conscious step to throw away any weapons and grudges and learn the path of non-violence or ahimsa.
You are learning to fine-tune and cultivate the qualities of Mars. Being assertive and aggresive, being athletic, showing strength of body, showing strenght of mind, showing strength of will-power, fighting for the underdog, fighting for justice, tempering the qualities of Mars by channeling anger in a constructive manner, using the force of Mars constructively instead of destructively, making changes in your life through constructive force.
When to speak and when not to speak becomes a major issue either for the native or his/her social circle. Such people should be particularly careful of what they say, and to whom they say it.
You are learning to fine-tune and cultive the qualities of Merucry. Always learning something new, developing writing and speaking skills, learning what your patterns of thought are and re-channeling the less constructive patterns, learning new languages, reading a lot, acquiring knowledge, using knowledge, writing, and/or speaking ability to redirect others in a more positive direction, improving mathematical ability and analytical skills, continuing the learning experience even in old age for a young mind.
Venus being a Atmakaraka in a horoscope represents that soul need to go through some learning especially in relationships matters in this life.
Relationships and sex becomes a major issue for such people. The person should always try to maintain purity in relations, and not to overindulge in casual sex.
Learn to let go of your vices, learn to let go of excessive behavior that is destructive in your life, controlling your physical cravings for Lust.
You are learning to fine-tune and cultivate the qualities of Venus. Learning how to give and receive love and affection, learning how to let go in matters of love in a healthy way in order to love more deeply and unconditionally, learning karmic lessons through personal love relationships, developing healthy habits of giving love to others without expecting anything in return, sending love and blessings to everyone that crosses your path .
Jupiter: You are learning to fine-tune and cultivate the qualities of Jupiter. Acquiring spiritual wisdom, becoming an expert and leader in one particular subject, teaching others, learning to be expansive and generous, giving in charity, learning how to channel wealth properly, spreading wisdom in all four corners of the world, learning deeper spiritual truths, sharing your truth, accepting other people’s truths without trying to change them, accepting other’s religious views with equanimity.
The native should always respect his guru or seniors and care his children. Jupiter is the Karaka for children, Guru, elderly person. So we should be concerned and careful about these aspect of life. With Jupiter Atmakaraka we have to learn lessons about these areas of life. We have some unfinished Karma from past lives regarding the area Atmakaraka Jupiter signifies.
Saturn: You are learning to fine-tune and cultivate the qualities of Saturn. Learning how to suffer life, learning how to withstand suffering and pain with equanimity of mind, learning yoga of mind and body to acquire equanimity in pain and suffering, learning to become detached in matters aspected by Saturn in a chart, learning detachment and equanimity, helping others in their suffering, helping the sick, the poor, and the elderly live better lives, giving in charity to those in need, helping to reduce the suffering of others.
The person trusts others too easily, and as a result often finds himself cheated or deceived, and a risk is there that the same person may cheat others in return in a never-ending cycle of cheating.
The person should learn to accept deceit and move on.
Foreign people/places also have a vital role to say with this graha.
You are learning to fine-tune and cultivate the qualities of Rahu. Learning how to temper your deepest yearnings and desire, learning how not to indulge in the things influenced by Rahu in the chart, channeling the desires of Rahu towards the spiritual Sattvic realm and away from Rajas.