The results of spiritual practices done in past lives are never destroyed. Sorama christna makes it very clear. The seed of spirituality is not destroy other types of carmas may come and go. But this seed of spirituality, which is it is also a practice. It will be there forever. And one day it will surely give its result, and you will walk the path of a spiritual king.
Swami Sarvapriyananda teaches Chapter 6 (Verses 43-47 and chapter summary) of the Bhagavad Gita. In this series of talks, Swami Sarvapriyananda unfolds the highest truths of Vedanta through the study of the Bhagavad Gita (The Song of God).