Bageshwar Dham Sarkar
How do I know which actions are good karma and which are bad?
Dharma shows right from wrong action
Karma is of two kinds, good and bad, and it is dharma within you that tells them apart. So drop the actions that should be given up and do those worth doing.
For this, dharma must be within you. One who has dharma within will know that this action is worth doing.