The Ujjain Green Hydrogen demo unit, a collaborative project between Airox Nigen and Hygenco in India, signifies a crucial advancement in the country's green energy landscape. Over two successful years, this project has showcased the potential of modular solutions in driving India's green hydrogen goals. Airox Nigen's delivery of a containerized green hydrogen generation system underscores their engineering prowess in addressing complex challenges. The system, a 20 Nm³/hr alkaline electrolyzer unit, boasts compactness, modular design, and safety features for efficient deployment. Challenges such as compact engineering and renewable energy integration were met with precision and innovation, ensuring reliable hydrogen production under varying conditions. The project's timely execution and successful demonstration of green hydrogen production using renewable energy affirm the viability of modular systems for such initiatives. This collaboration not only strengthens India's commitment to green energy but also highlights Airox Nigen's leadership in the field. The Ujjain project's impact extends to validating the feasibility of containerized solutions and promoting the scalability of green hydrogen systems. Through innovation and collaboration, Airox Nigen and Hygenco have set a new standard for sustainable energy solutions, positioning India at the forefront of green hydrogen technology.