India has over 355 million internet users that are growing rapidly, especially mobile internet users. While urban areas have over 137 million users, tier 2 and 3 cities are also growing significantly. Popular social media platforms like Facebook and YouTube have over 100 million Indian users each. Digital marketing provides benefits like improving customer interactions, leveraging relationships, and tracking audiences. It involves activities like content creation, creative design, third party content curation, and social media management. Example campaigns include a Women's Day campaign for Karbonn mobiles and generating engagement through a bloggers meet event for The Terraces eco-tourism resort.