CONTENTS: Preface, Part-I: VIEWS OF DIFFERENT SCHOOLS OF INDIAN PHILOSOPHY ON DARKNESS: 1. The Naiyayika View on Darkness, 2. The Vaisesika View, 3. The Samkhya View, 4. The Bhatta View, 5. The Prabhakara View, 6. The Vedanta View, 7. The Jaina View, 8. The Bauddha View, Andhakaravadah (Discourse on Darkness) Darkness in Sasadhara's Nyayasiddhantadipa (Summary, Text, Translation, Explanatory Notes) Conclusion. Part-II (A DISCOURSE ON THE CONCEPT OF DARKNESS) ANDHAKARAVADAH OF NYAYASIDDHANTADIPA OF SASADHARA (TEXT, TRANSLATION AND EXPLANATORY NOTES), Bibliography, Indices, Index to Maxims, Index to Definitions, Index to Technical Terms, Index to Authors.