The existing laws of Bangladesh is many kind of law for the accident and transport. Some existing laws are include in this article. In other words, there must be proof that the rush and negligence act of accused was proximate cause of the death. There must be direct nexus between the death of person and the rush or negligence act of the accused.Any person who drives or causes or allows to be driven in any public place a motor vehicle or trailer while the vehicle or trailer has any defect, which such person knows of or could have discovered by the exercise of ordinary care and which is calculated to render the driving of the vehicle a source of danger to persons and vehicles using such place, shall be punishable with imprisonment for a term which may extend to one month or with fine which may extend to two hundred and fifty Taka, or with both, or, if as a result of such defect an accident is caused, causing bodily injury or damage to property, with imprisonment which may extend to three months, or with fine which may extend to one thousand Taka, or with both.