Raja means royal or kingly. Raja yoga meditation is generally based on directing one’s life force to bring the mind and emotions so into balance that the attention may be easily focused on the object of meditation, or the Lord directly.
Generally, life force is directed to move up and down the spine until it is balanced and the mind and emotions are serenely content. Then awareness is generally directed to move forward into a point in the center of the lower forehead. This meditation point, which is about half an inch above where the eyebrows meet, is called ajna, or the third eye.
When the energy is balanced throughout the brain and body and easily moving forward in the area of the third eye, your mind becomes very calm. While your mind is not passive, it is free of meaningless thoughts, worries, and the bric-a-brac of the subconscious mind. This state usually gives you a very pleasant sense of well being and your mind seems filled with a velvety darkness.