Nine forms of Devotion has been enlighten by the time and ages which covers all aspects of devotion in concern with, indeed devotion is a wide subject that infinite in self but finite self for devotees to help them whichever way they track it, indeed there are stages in devotion based on the truth of submission, in final stage ego melts away with desires and spirit remains along with quest to meet with truth and cause, all stages starts with simplicity and conclude with it alone,
May lord bless all,
Thanks please