A state of the art review of rice husk ash cement technology in the Indian subcontinent highlighting its effectiveness as an alternative lowcost binding material. Includes case studies of fieldtesting in local institutions. CONTENTS 1. INTRODUCTION 1 2. SITE VISITS 2 2.1 INDIA 2 2.2 NEPAL 13 2.3 PAKISTAN 15 3. COMPARISON OF PRODUCTION METHODS AND RECOMMENDATIONS FOR USE 28 4. TESTING OF SAMPLES IN UK 29 5. RESULTS OF UK LABORATORY TESTS 29 6. COMPARISON OF PRODUCERS DATA WITH UK RESULTS 31 7.