Here is some pdf form of some treatises on different aspects of Yoga. These treatises contain the words of great masters of Yoga. One can download them from here to study so he/she has some idea about the things envisaged therein. This is only for the sake of service in order to facilitate an easy excess to these to the seekers. “No practices contained in any of the treatises given here should be practiced except under sound guidance”.
Hari Om Tat Sat!!!