Synopsis Sri Sankaracarya was a great philosopher, a prolific writer and a true devotee of God.  The Upadesasahasri is a famous treatise on Advaita Vedanta and also known as the Master piece of Sri Sankara.  The text is named so, because it contains thousand advices of the great Advaita philosopher, i.e., Sri Sankaracarya.  The book is divided into two parts, viz., prose (gadya) and poetry (padya).  The prose part has three chapters and poetry part has nineteen chapters.  The work vividly describes and also established the non-dualistic approach of Sri Sankara in a lucid way.  Its language is very simple and easily accessible.  The poetry part mainly deals with various concepts of Vedanta, viz., Brahman, Atman, Maya, Srsti (Creation), Jiva, Moksa, etc.  The prose part is in the form of a dialogue between a teacher and his disciple, where in the teacher and his disciple, where in the teacher satisfies the student by answering all his doubts.  The present Volume contains the original Sanskrit text along with the commentary of Sri Ramatirtha.  Besides, the English translation is also added with the text.  The work is also ornamented with an index.  The students of Indian Philosophy will be benefited by this excellent scholarly work.  However, the work will definitely show a new light in a positive direction to the researchers and true lovers of Advaita Vedanta.