IS 14554: Automotive vehicles - Exhaust emissions - Apparatus for the measurement of carbon monoxide concentration from vehicles equipped with spark ignition engines at idling Bureau of Indian Standards
IS 14273: Automotive Vehicles - Exhaust Emissions - Gaseous Pollutants from Vehicles Fitted with Compression Ignition Engines - Method of Measurement Bureau of Indian Standards
IS 9057: Automotive Vehicles - Exhaust Emissions - Carbon Monoxide Concentration at Idling for Vehicles Equipped with Spark Ignition Engines - Method of Measurement Bureau of Indian Standards
IS 14600: Automotive Vehicles - Exhaust Emissions - Gaseous Pollutants from Vehicles Equipped with Internal Combustion Engines - Method of Measurement Bureau of Indian Standards