A type of coal that is used as a benchmark for quality or grade.

Refers to the established level of quality or quantity, often used in a regulatory or industrial context.

मानक स्तर

English Usage: The standard coal specifications were updated to improve safety measures.

Hindi Usage: मानक कोयला विनिर्देशों को सुरक्षा उपायों में सुधार के लिए अपडेट किया गया था।