Kundalini is source of universal energy. The true awakening of kundalini will not Occur by own will but by the grace of god it can happen anytime. When a student is practicing for attainment of enlightenment at that time his body mind and soul will become stable. Once all these three factors will start stabling then it will happen any time naturally by direct influence by god or indirect way like you will find some one who can bless Shaktipat and then more important you will be ready to take awaken kundalini process.
It is the safest way of awaken kundalini.