There should be strict provision in law system to punish such persons.The offence should be considered at par with the attempt to murder.After all not only they are risking their life but also bringing shadows of misfortune on other persons and families.They know it is an offence but still indulging in it.It is to be taken equally seriously when these people are found intoxicated at public places .Wheather they have done harm to others or not is out of question because such incidences do not occur intentionally bur accidentally.