The global shift towards sustainable transportation is witnessing the rise of green hydrogen as a promising solution for the integration into electric vehicle (EV) fleets. Green hydrogen, produced through electrolysis using renewable energy sources, is positioned as a zero-emission alternative to fossil fuels, offering advantages like high energy density and rapid refueling. Companies like Toyota, Honda, and Hyundai have showcased the practicality of hydrogen fuel cell vehicles (HFCVs), demonstrating long ranges and quick refueling times. In India, the emphasis on renewable energy and sustainability goals is driving considerations to incorporate hydrogen cars into the EV market, aligning with global advancements and addressing unique challenges of the Indian landscape. However, challenges such as the lack of hydrogen refueling infrastructure and higher production costs hinder the full potential of green hydrogen in India. The government's plans to establish hydrogen refueling stations and reduce production costs by 2030 through technology advancements and economies of scale show a commitment to overcoming these obstacles. Innovations in electrolyzer efficiency, fuel cell technology, and storage solutions are paving the way for a more feasible integration of green hydrogen in Indian EV fleets. Initiatives like the National Hydrogen Energy Mission and collaborations between key players in the industry are crucial for building a comprehensive hydrogen ecosystem. The future prospects for green hydrogen in India are optimistic, with continuous advancements and supportive government policies driving the transformation of the transportation sector towards sustainability. By leveraging technological innovations and collaborative efforts, green hydrogen has the potential to play a significant role in reducing emissions and enhancing energy efficiency, steering India towards a greener, more sustainable future.