What is Birth, life and it's death ? The what is the life after death.

After the realization of athman (soul), and athman vairagha (soul agenda) a sadhaka come to know the birth of manas (human being) then the truth of life in earth then the process of death and lastly the after death life. The secret knowledge of life, death and life after death is so enigmatic , so deep even a mystic found himself in fathom-less ocean of infinite enigma.