This study investigates the impact of digital marketing tactics on the growth, profitability, and customer retention of e-commerce enterprises, especially in emerging areas such as India. The research examines tactics like ‘Search Engine Optimization (SEO)’, ‘Social Media Marketing (SMM)’, Pay-Per-Click (PPC) advertising, content marketing, and email marketing, emphasizing their efficacy in enhancing sales, visibility, and consumer engagement. The research finds significant hurdles, including the price of technology adoption, data privacy issues, evolving customer behavior, and complications in measuring ROI, which impede the smooth implementation of these tactics. Employing a descriptive study approach, data was gathered via online questionnaires directed at e-commerce enterprises across several sectors. Research demonstrates that enterprises employing multi-channel digital instruments and customer-focused strategies achieve substantial increases in revenue, conversion rates, and brand engagement. The report finishes with pragmatic advice for managers to use data-driven decision-making, invest in AI-enhanced customization, and improve multi-platform marketing tactics to maintain competitiveness in a saturated market.