True devotees may be called fanatical in their devotion to Him. The only right kind of fanaticism is loyalty to God — night and day, night and day, thinking of Him. Without this kind of loyalty it is impossible to find God. Those who never miss Kriya, and who sit long in meditation and pray intensely to God, will discover the longed-for Treasure.
~ Sri Sri Paramahansa Yogananda,
“Man’s Eternal Quest”
Those who earnestly seek god spend at least 6 hours a day in mediation.
Since the word Kriya Yoga is poorly understood and even more poorly done, I will leave it at that. In God talks with Arjuna , Yogananda describes it very accurately- what should occur when it is done properly. It takes a lifetime of practice to do it properly
But every minute spent trying brings us eons closer