Master basic pranayama (inhalation/exhalation) before attempting long retentions [12, 13].
Raghuvira Audicya, an Udicya Brahmana from a royal lineage in Kasi (Benares), synthesized scattered oral traditions and earlier references into this cohesive manual. The text is highly regarded for its depth and is frequently cited by other Hatha Yoga masters, such as Sunderadeva in his works Hatha-sanketa-candrika Hatha-tatva-kaumudi kumbhaka paddhati pdf
The text clearly delineates the stages of mastery: 13]. Raghuvira Audicya
Because the raw Sanskrit is difficult, several modern masters have written commentaries that serve as accessible versions of the Kumbhaka Paddhati: kumbhaka paddhati pdf