Home / Ancient History Batch / HIS_PHI_2005_68 Classification of Indian Philosophy UPSC Archival Analysis Exam Year 2005 Evidence Source Link ID: HIS_PHI_2005_68 Ref: A History of Indian Philosophy by S.N. Dasgupta Which one of the following is the distinctive features of a nastika and astika system in India? A. Belief in the existence of God.B. Belief in the doctrine of re-birth.C. Belief in the authenticity of the Vedas.D. Belief in the existence of heaven and hell.