The Bureau of Indian Standards (BIS) is the National Standards Body of India under Department of Consumer affairs, Ministry of Consumer Affairs, Food & Public Distribution, Government of India. It is established by the Bureau of Indian Standards Act, 2016 which came into effect on 12 October 2017. As a National Standards Body, it has 25 members drawn from Central or State Governments, industry, scientific and research institutions, and consumer organisations. Its headquarters are in New Delhi, with regional offices in Eastern Region at Kolkata, southern Region at Chennai, Western Region at Mumbai, Northern Region at Chandigarh and Central Region at Delhi and 20 branch offices.