Kundalini yoga is referred as a yoga in which a student have to follow certain system of Meditation. once he starts following those rules and regulation and doing his pinnacle regularly he will automatically directed towards the path of self realization.
In kundalini yoga meditation one have to surrender him self to god and now onward god or divine energy will start controlling and guiding a student. it is called Raj yoga in Indian literature because of the above described nature. Further more a student will receive shaktipat from Master and start a quantum leap on the path.