Over the last decade, India's energy sector, led by Oil Marketing Companies (OMCs) like HPCL, has witnessed significant growth and sustainability improvements. The country has made strides in enhancing efficiency, promoting clean fuel adoption, and boosting self-reliance in the field of chemical production. HPCL, in particular, has increased its refining capacity and chemical manufacturing capabilities, with projects like the Visakh Refinery Modernisation Project standing out. The expansion of India's refining capacity and fuel transportation network, alongside the shift towards green energy sources like Natural Gas, Ethanol, and Green Hydrogen, highlights the country's commitment to a more sustainable energy future. Notably, the Visakh Refinery's adoption of a unique cooling process using sea water and the commissioning of India's first Green Hydrogen plant demonstrate a proactive approach towards environmental conservation and decarbonization. Green hydrogen, produced through renewable-powered electrolysis, is set to play a crucial role in decarbonizing various sectors, including transportation and industry. Overall, India's energy revolution reflects a positive trajectory towards cleaner, more efficient, and sustainable energy practices.