Hydraulic liquid is the medium by which power is transferred in hydraulic machinery. Common hydraulic oils are based on mineral oil. Hydraulic systems will work most efficiently if the hydraulic oils used has zero compressibility. Understanding the specific requirements of the segment of Hydraulic Oils, Raj Petro Specialities with its strong back up of ultramodern R&D Centres and the state-of-the-art manufacturing units have developed a wide range of high quality and performance-based Hydraulic Oils that can cater to different areas of application meeting to specific technical requirement of the industry and its products.