cinemababu This is the most hardest question to answer.This question raised in minds of many people and some of them became great scientists and some of them became great spiritual leaders.They are also not having a concrete proof but they had conclusions on existence of soul.Every answer will be a different to another as their paths are different and perceptions on world are different
but all these people agree on one thing that existence of birth to follow true calling,doing good deeds and selfless service to others.
Start with bhgadvad geeta or bible or any other religious book and understand the essence of these books.
You have to find your own answer because there is no true answer to this question
