Cashewnut is a commercial crop grown in many countries around the world. At present, India is the leading producer of cashew (in shell) and Vietnam is the major competitor of India. This paper focuses on the performance of cashewnut cultivation among important states of India for the past ten years. The study is exclusively based on secondary data. Herfindahl index were used to analyze the data to find out the market concentration among the states. The study came into the conclusion that, productivity of the states was highly concentrated when compared to area and production under cashewnut cultivation.