Verse 29

उद्गच्छन्तीं तडित्रूपाम् प्रतिचक्रं क्रमात् क्रमम् ।ऊर्ध्वं मुष्टित्रयं यावत् तावद् अन्ते महोदयः

In plain words

of her as she rises, lightning in form, from to in due order, upward as far as three fists; at the end of that comes the great rising.