In modern time, consumers are important role play in online shopping. Every consumer wants to save time and energy which used to spend in olden days to do maximum work in the minimum possible time. e-Commerce portals have provided the many facilities for consumers, they are provided in 24x7 services. Customer can purchase the products easily and any time and any location. We have focused some major India e-Commerce portals, FLIPKART, MYNTRA. They are provides many facilities to consumers like free delivery, Discounts during festival season, extra cash back offers etc, These sectors are divided into four segments like (Business to Business) B to B, (Consumer to Consumers) C to C, (Business to Consumer) B to C, (Consumer to Business) C to B. There are two factors i.e. demographical factors (age, gender, education and life style) psychological factors (motivation, perception, beliefs and attitudes) covered in consumer behaviour. This study has focused only college students (age- 18-25 years), because they are much too interested in online shopping. The main reason is their more knowledge about the current technology.

KEYWORDS:  e- Commerce, Flipkart, Myntra, Psychological Factors, Demographical Factors.