The legal limit in India is 0.00% as opposed to some other countries.
Are you sure? Even a person who has never, ever consumed any alcohol may have some in their blood due to normal body processes. So if this is true, is shows a great misunderstanding of human science by the DGCA.
Yes PM, sadly that is the way it is. If the machine shows 0.01 , you are treated as a positive case.
In Jet Airways, the company policy is : 1st time BA positive means , that you are grounded for 3 months without any salary at all. 2nd time if positive( even after 10 years) then ,that is your last day in the company. So , it is not correct to say that no action is taken.