Word-of-Mouth, i.e. informal conversations and ideas or may be recommendations of people about daily used products and services, it has a powerful impact on the brand image by consumer buying decision. Traditional or modern methods both are applied by more and more companies have begun to include word-of-mouth in their marketing mix. For the majority, word-of-mouth is known but not yet fully understood. Main objective of this research paper is to provide an in-depth analysis of word-of-mouth and demonstrate how involving consumers in marketing campaigns can add value to companies. And analysis the impact of Word-of-Mouth on consumer decision negative or positive. Sample size is 98; collected information is evaluated with the help of frequency distribution. The finding of this study  revealed that  purchasing mostly consumer  trust on word of mouth , happy customers always promote your business, if talk about today generation most of the consumers were influenced by bloggers, social platform , they prefer quality rather quantity and review of product/services. There are showing two  things can be the reason to create difficulties for the company such as a “Consumer bad experience” and “Lack of trust from customers” are the biggest obstacles for business to embracing WOM within their company it increases a negative impact on consumer decision.

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Keywords: WOM, Digital Marketing, Consumer, Entity, Opinion Leaders, WOM Campaigns.