yoga-ārurukṣu - persons desiring elevation to the platform of yogic perfection; yoga-ārūḍha - persons already elevated to that position; prāpta-siddhi - persons who have achieved the success; āra - also; ei tina - these three; bhede - by varieties; haya - there are; chaya prakāra - six kinds.

“By these three divisions of advancement in yoga — yogārurukṣu, yogārūḍha and prāpta-siddhi — there are six kinds of mystic yogīs.