Panchadasi or Panchadashi ( Devanagari: पंचदशी IAST paṃcadaśī) is a simple yet comprehensive manual of Advaita Vedanta (अद्वैत वेदान्त, advaita vedānta) written in the fourteenth century A.D (1386-1391) by Vidyaranya (विद्यारण्य), previously known as Madhavacharya (माधवाचार्य).There is a view among teachers of philosophy that the later portions of this work were written by Bharatitirtha.
Pancha (पंच) is five and dasi (दशी) is ten, are the total fifteen chapters divided into three quintets the three aspects of Brahman, Sat (सत, Truth), Chit (चित, Consciousness) and Ananda (आनंद, Bliss) aspects of Reality. It elaborates Advaita (अद्वैत, view of Brahman and its derivatives), Consciousness, Jiva, Maya, Prakriti (प्रकृति, prakṛti, primary substance[6]), Mahat (Omnipotent Matter), Buddhi (Intellect), Ahamkara (Ego), Avidya (Ignorance), and ananda (Bliss

Uktisiddham gevabrahmanoraikyam, Prakrute swaroopam, Shravana manana nididyasananam lakshanani.