Now days, the using of social media website by consumers has mostly increasing day to day. When consumers face the any type of problem they uses the social media and find their solution Social media is the very essential tools for every type of fields. Social media affects the consumer behaviour. There are many social media websites like face book, twitter, Instagram, snap chat, messengers, you tube etc. through the social media, and we can exchange our thought and ideas in one person to another person. The main aim of this study to find out what factors affect the consumers behaviour when he/she purchase the goods and services and how social media affect the consumer buying behaviour. In modern era, social media is the very powerful element in our daily life.

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Keywords: Social Media, Consumer Behaviour, Social Networking, Modern Era, Web- Based Software.