Anandakanda 1.7.72

1.7.72

devi ṣaṭpalayogena siddhasādhyapadaṃ bhavet /
tathā saptapalenāpi vidyādharapadaṃ bhavet //

O goddess, by the use of six palas, the rank of the Siddhas and Sādhyas is attained;
and by seven palas, the rank of the Vidyādharas is attained;