Panchadasi or Panchadashi ( Devanagari: पंचदशीIAST 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).[1][2][3][4]
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,non dual), Consciousness, Jiva, Maya, Prakriti (प्रकृति, prakṛti, Nature[5]), Mahat (universal mind), Buddhi (Intellect), Ahamkara (Ego), Avidya (Ignorance), and ananda (Bliss).[6]