India is the second largest producer of vegetables after China. The geographical area and diverse agro climatic niches in the country exert a strong influence on the supply of vegetable crops. The output variations of vegetable crops lead to wide fluctuations in prices exposing the growers to high risk. The paper examines the behaviour of market arrivals and prices of tomato and their nature of relationship in selected markets over the years. It has been found that both market arrivals as well as prices of tomato have shown increasing trends in all the markets during 1991 to 2003. The seasonality in prices of tomato was higher than the seasonality in market arrivals in all the selected markets emphasizing the improvement in the production and protection technologies and imperfection in markets and marketing system of tomato. The selected markets were also not found integrated as shown by the monthly price variations across the markets. The lagged price is an important factor in determining the current price than the market arrivals.