The aim of the research, the results of which are presented in this paper, was to determine the role of Advertisement in brand building. Advertising in social media, YouTube, Gmail with display ads can build brand awareness and reach millions of people wherever they are on the web. Ad network act as a media to form a meeting between advertiser, publisher and consumer. Advertising and branding goes like railway track. Brand building is a continuous process. It is important to continuously track brand appeal and brand image with targeted customers. They both are needed in order to increase the brand awareness amongst the customers. Amazon founder Jeff Bezos rightly said: “Your brand is what other people say about you when you are not in the room.” Brand building is the process of knowing about a company through sponsorship. A systematic plan of action attracts consumers about brand, creates love and affection, satisfy their need which can be done only through Brand building strategies. Business classified into two types: Brand name and product. People buy product on the basis of Brand name. Normally company hire website to promote their products by continuous advertisement. These websites provides feedback information in the form of reviews, videos and more. The research consists of two parts. The first one presents a review of literature on the subject, the role of advertisement in brand building. The second part of the research demonstrates emergence of Jio Brand in Indian Telecom Sector through advertisement.

Keywords: Brand Building, Google Display Network, Jeff Bezos, Gmail, YouTube.