It is illegal, and it is considered a criminal offence in states such as New Jersey, Arkansas, and New York in USA. However, in many other countries including India it is not yet considered illegal.
2. At what Blood Alcohol Concentration (BAC) is a driver liable to be punished by law in India?
In India, while driving a motor vehicle, if a person has a BAC exceeding 30 mg of alcohol per 100 ml of blood detected by a Breathalyzer, then the person is liable for punishment by law.
4. When is a person considered to be drunk?
When blood alcohol concentration is 0.08 or 80 grams per 100 ml a person is considered to be drunk.