SADHANA PAAD, YOGSUTRA 50

Patanjali now details the three kinds of pranayama, बाह्याभ्यन्तरस्तम्भवृत्तिर्देशकालसंख्याभिः परिदृष्टो दीर्घसूक्ष्मः॥५०॥ Baahyaabhyantarastambhavrittirdeshakaalasankhyaabhih paridrishto deerghasookshmah Baahya: external Abhyantara: internal Stambha: cessation…