procurement of lubricants for various types of vehicles and machinery of ghmc for the fy ( 2023-24 ) -1. engine oil 20 w-40, high performance heavy duty multigrade diesel engine oil blended with superior quality high viscosity index, base oil and well balanced group of additives to provide high detergency, dispersancy and anti-oxidation characteristics. suitable for relatively older diesel engines, large or small. 2. engine oil 15w 40, multi grade diesel engine oil blended from highly refined high viscosity index group ii plus base stocks. provides highest level of protection and prevention of oil loss of a higher viscosity engine oil 3. hydraulic oil ( grade 68 ) , antiwear hydraulic fluid for superior performance, high film strength. exceptional hydrolytic stability, anti foam and cleanliness allow efficient operation of the hydraulic system 4. gear oil 140, superior quality extreme pressure automotive gear lubricant, compatible with seal materials normally specified for use in automotive gear systems with mineral oils 5. brake oil rr3, high performance hydraulic brake fluid for automotive vehicles. having high equilibrium reflux boiling point which helps in reducing the vapour locking problem in high temperature operating conditions, especially in city driving where stop-go conditions require frequent application of brakes 6. coolant water –concentrate, environment friendly ready to use radiator coolant for both petrol and diesel engines, which prevents corrosion and deposit formation in the key components of the cooling system 7. power steering oil, superior quality transmission and power steering fluid, highly compatabile with seal materials normally specified for use in automotive gear systems with mineral oils 8. gear oil 90, superior quality gear oil for automotive manual transmission and gear box, which facilitates easy gear shifting even at a very low ambient temperature. 9. grease ( bearing ) , high quality multipurpose grease for automotive and industrial applications, which offers mechanical stability and is suitable for use in moderate temperatures and moderate loads