purchase of lubricants only from m / s. indian oil corpn. ltd , m / s. bharat petorleum corporation ltd and m / s. hindustan petroleum corporation ltd. purchase of lubricants only from m / s. indian oil corpn. ltd , m / s. bharat petorleum corporation ltd and m / s. hindustan petroleum corporation ltd. , max-freezol-68 ( bp ) , servo freez-68 ( ioc ) , sheetal-68 ( hpcl ) or its equivalent ( rates may be offered inclusive gst, frieght etc inclusive all for dms ) , servo mesh-320 ( ioc ) , enklo-320 ( hp ) , max amocon-320 ( bp ) or its equivalent ( rates may be offered inclusive gst, frieght etc inclusive all for dms ) , servo mesh-460 ( ioc ) , enklo-460 ( hp ) , max amocon-460 ( bp ) , protomax sp-460 ( bl ) or its equivalent ( rates may be offered inclusive gst, frieght etc inclusive all for dms )