Branding has become immensely important for digital based organizations in the recent years because electronic Re tailing are identical and difficult to differentiate their product and services is highly attracting the public, to make use of the services in the organization especially in the E-Tailing. Customer based services play an important role, with increased competition in Electronic Retailing sector, For that, developing and implementing customer centric strategies, need to provide a consistent strategic brand experience to prevent customer from switch out to other competitive products and services to understand customer perception towards Electronic Retailing sector, there is a need to understand customer based brand equity and its major determents. The current research paper deals to identify and analyse the various factors that determine the customer-based brand equity in the impulsive buying in Electronic Re tailing, here we taken as brand Equity determinants in impulse buying for our study. A sample of 330 respondents was taken from the customers of southern districts of Tamilnadu only, and tested by the correlation analysis and multiple regression, Factor Analysis and Independent sample t- test by using SPSS.