Immortality is a very immature idea, everything that is not physical is always immortal if your experience of life transcends the limitations, you are already immortal.
Additional information/ Source: https://www.youtube.com/watch?v=jYMt6ySMOeY (Midnights with the Mystic: Conversations between Sadhguru and Cheryl Simone) (1:49:00)
If your experience of life is not limited to your physicality, you are naturally inclusive.Expand ⇕
Spirituality: If your experience of life transcends the physical, and something other than the physical is happening, then we can say you are spiritualExpand ⇕
Meditation means to know life beyond the sphere of the physical; to know and experience life not just at the surface but at the sourceExpand ⇕
Trying to become boundless through the physical is like counting 1,2,3,4,5.. and hoping one day you will say infinite. We can not handle the boundless through the limitations of the physical, your perception has to go beyond the physical, only then the non-physical enters your life.Expand ⇕
If Human beings experience Life beyond one's physical nature, the need for conquest, conflict, and violence shall not exist.Expand ⇕