HPCL's (Hindustan Petroleum Corporation Limited) Bathinda Bio-Refinery, with an investment of 1400 crore rupees, is currently under review by the Central Air Quality Monitoring (CAQM) team for its ethanol production capabilities. The project aims to leverage biomass resources, such as agricultural residues, to produce eco-friendly ethanol. The CAQM team, in collaboration with experts from the renewable energy sector, is evaluating the bio-refinery's infrastructure, technology, and processes for ethanol production. This review will assess critical parameters like feedstock availability, compatibility, storage, transportation, and processing methods to ensure the facility adheres to environmental standards. The Bathinda Bio-Refinery, situated in Punjab, is strategically located near farms, ensuring a steady supply of agro-based biomass. By capitalizing on this advantageous location, HPCL aims to produce ethanol as fuel, which is an essential step towards reducing the country's dependence on imported crude oil. Ethanol production from renewable sources plays a vital role in India's goal of increasing the share of biofuels in the energy mix. The government has set a target of achieving 20% ethanol blending with petrol by 2025. To support this objective, HPCL's bio-refinery in Bathinda aims to produce approximately 300 kiloliters of ethanol on a daily basis. The review process followed by CAQM includes a thorough examination of the plant's emissions, waste management systems, and adherence to emission standards. The team is also assessing the overall environmental impact of the facility and its compliance with air quality regulations. The advancement in bio-refining and ethanol production can bring numerous benefits to the region, such as employment opportunities, reduced greenhouse gas emissions, and increased agricultural revenue. Additionally, it will contribute to HPCL's vision of sustainability and align with the country's commitment to clean energy transition. The CAQM's review will prove instrumental in ensuring that the Bathinda Bio-Refinery operates at optimum efficiency while adhering to the highest environmental standards. If approved, the facility will significantly contribute to India's ethanol production capacity and promote a greener energy ecosystem. In conclusion, HPCL's Bathinda Bio-Refinery is undergoing a comprehensive review by CAQM for its ethanol production capabilities. This assessment will play a crucial role in determining the facility's compliance with environmental regulations while promoting India's transition towards clean and sustainable energy sources.