India's rapid economic growth and urbanization have led to the emergence of large-scale infrastructure, industrial, and business projects. To ensure these ventures are financially viable and technically feasible, Techno-Economic Viability (TEV) consultants play a crucial role. They conduct comprehensive assessments and prepare TEV reports that help banks, investors, and businesses make informed decisions. In this article, we will explore the role of TEV consultants in India, the significance of TEV reports, and their impact in metro cities such as Mumbai, Delhi, Bengaluru, Chennai, Kolkata, Hyderabad, Pune, and Ahmedabad.