Sustainability has become an essential component of modern business strategies due to increasing environmental concerns and resource constraints. Green startups are emerging as innovative enterprises that integrate sustainability into their core business operations. These startups focus on environmentally friendly technologies, sustainable production methods, and green supply chain practices to reduce environmental impact while maintaining economic growth. The present study examines the innovation strategies and sustainability practices adopted by green startups and evaluate their impact on sustainability performance. Primary data were collected from 120 green startup entrepreneurs through a structured questionnaire using a five-point Likert scale. Statistical tools such as descriptive statistics, reliability analysis, confirmatory factor analysis, and structural equation modeling were used to analyze the data. The results reveal that innovation strategies significantly influence sustainable business practices and sustainability performance. Government support also plays a crucial role in promoting sustainable entrepreneurship. The study concludes that innovation-driven sustainability strategies enhance environmental performance and business growth in green startups.