Raja Yoga, the science of physical and mental control often called the "Royal road".
It offers a comprehensive method for controlling the waves of
thought by turning our mental and physical energy into spiritual energy.
Raja Yoga is also called Ashtanga Yoga referring to the
eight limbs leading to absolute mental control.
The chief practice of Raja Yoga is meditation.
It also includes all other methods which helps
one to control body, energy, senses and mind.
Raja yoga comes from the fruition of Hatha Yoga.