A type of Vidyā (occult science);
that Vidyā, the perfection of which is attained through the japa (repeated recitation) of a Mantra, gives indications to one, engrossed in japa, about the future auspicious and inauspicious events, without asking any question.
yā punarvidyā mantravidhinā japyamānā apṛṣṭā eva śubhāśubhaṃ kathayanti, etāḥ apraśanāḥ.
(Samapra 98 Vṛ Pa 115)