Concentrate your conscious mind on Centre of Knowledge. Visualize bright yellow colour like the sunflower or as bright as gold on this Centre.
Experience that bright yellow particles are spreading around your body. Yellow light is pervading around you.
Feel taking breath of yellow colour. Experience that yellow particles are entering your body with each and every breath.
After few moments, visualize that the bright yellow light is emanating from the Centre of Knowledge and pervading through your body. Your aura is filled with yellow particles. Perceive and experience it.
Suggest to yourself,
"My perceptive capacity is increasing". (Repeat it for three times).