Spiritual elevation or evolution is a simple matter of reawakening our original God consciousness.
In India all scriptures and great spiritual teachers, including Shankaracharya, an impersonalist, accept Krishna as the Supreme Lord. In the beginning of his commentary on the Bhagavad-Gita, Shankaracharya says that Narayana is transcendental to this manifested and unmanifested creation, and in the same commentary he says that the Supreme Personality of Godhead, Narayana, is Krishna appearing as the son of Devaki and Vasudeva. Thus in this respect there is little difference of opinion about Krishna. Those who are authorities, be they personalist or impersonalists, are in agreement that Krishna is the Supreme Lord.
Elevation To Krsna Consciousness quantity