This document discusses integrated farming systems and farming system research in Orissa, India. It describes farming systems as combinations of crop and livestock components suited to different agro-climatic zones. Farming system research focuses on being farmer-oriented, system-oriented, and problem-solving. Case studies show examples of integrated farming systems implemented by farmers in different districts, reporting net profits ranging from Rs. 99,000 to Rs. 4,99,180 and benefit-cost ratios from 1.82 to 2.96. Key components like pisciculture, horticulture, poultry, and dairy contributed significantly to farmer incomes.