Parallels for TantraS, 4.1.0

Text line: tatra yadā vikalpaṃ krameṇa saṃskurute samanantaroktasvarūpapraveśāya tadā bhāvanākramasya sattarkasadāgamasadgurūpadeśapūrvakasya asti upayogaḥ //
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