Premanand Maharaj Ji
How do I know whether a decision I am about to take is right or wrong?
Listen to the inner voice and scripture
Scripture is the standard for what to do and not do, and satsang (listening to spiritual talks) teaches it if you don't know it. Pause and listen within, because the inner self warns you before a wrong act.
If you pause for just a second and listen within, you need not ask anyone; your inner self is your guru.