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a complete metric system of units of measurement for scientists; fundamental quantities are length (meter) and mass (kilogram) and time (second) and electric current (ampere) and temperature (kelvin) and amount of matter (mole) and luminous intensity

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- LRB - State v. Amar Singh, AIR 1955 SC 282; Ataur Rahman v. State of Madhya Pradesh, AIR 1951 Nag. (