Progress in Meditation by Yogananda 

1) An increase in peacefulness in meditative state

2) A conscious inner experience of calmness in meditation, increase in bliss

3) A deepening of one's understanding and finding answers to one's question through the calm intuitive state

4) An increase in mental and physical efficiency in one's daily life

5) Love for meditation and the desire to hold on the peace amd joy of the meditative state

6) An expanding consciousness of loving all

7) Actual contact with God and worshipping him as ever new bliss felt in meditation