These six stages in the history of the mental evolution of a mystic are based on the actual experiences which saints like Basava and his colleagues had during their sadhane . साधक के मानसिक विकास की छह अवस्थाओं का इतिहास बसव और साथियों की साधना के दौरान होने वाले वास्तविक अनुभव पर आधारित है .