Answer

“Apakraman kriya” in Jain karma theory usually refers to apavartanā / apakramaṇa, meaning the decrease in the duration and intensity of already bound karma. Jain texts explain that even after karma is bound, its time-span and intensity can become lighter through auspicious conduct. ( jaina.org)

Explanation

In Jain philosophy, when karma binds to the soul, two important things are fixed: how long it will remain bound and how strongly it will fructify. But if a person सुधारs conduct, performs auspicious actions, and becomes more righteous, then those previously bound inauspicious karmas can be reduced in duration and intensity. That is the meaning of this kriya. ( jainqq.org)

Spiritual Understanding

This teaching is very hopeful in Jain Dharma. It shows that karma is not absolutely rigid; through purification, good conduct, and आत्म-शुद्धि, the soul can weaken karmic bondage and move forward on the path of liberation. ( jainqq.org)

Takeaway

If you meant pratikraman, that is different: pratikraman is repentance, confession, and self-reflection for faults. Apakraman is about reducing the strength and duration of bound karma. ( jainqq.org)