India is one of the biggest markets of for retail players in the world. Lots of supermarkets, hypermarkets, departmental stores have been inaugurated in last few years in different parts of India. The shopping culture is changed from traditional marketing culture to mall culture. The author had discussed about the Organized and Unorganized retailing, Ronald Gist Margin- Turnover framework of retail, Scenario of Indian retail industry. The objectives of the study are: • To understand the relationship between Organized and Unorganized retail sector with reference to the factors affecting consumer purchasing behavior. • To find out the most influencing factor that affects the consumers’ purchasing behavior. The use of correlation is done to find out the relationship between the organized and unorganized retail sector with reference to the factors that affect the consumers’ purchasing behavior. The percentage method is used to find out the most influencing factor that affects the consumers’ purchasing behavior. By making the use of above tool, it was easy to understand the type of relationship among the sectors considering the factors of consumer purchasing behavior. Keywords: Retailing, Retail Trade, Organized Retail, Unorganized Retail.