191. Sale of vehicle in or alteration of vehicle to c ondition contravening this Act .—Whoever being an importer of or dealer in motor vehicles, sells or delivers or offers to sell or deliver a motor vehicle or traller in such condition that the use thereof in a public place would be in contravention of Chapter VII or any rule made thereunder or alters the motor vehicle or trailer s o as to render its condition such that its use in a public place would be in contravention of Chapter VII or any rule made thereunder shall be punishable with fine which may extend to five hundred rupees:

Provided that no person shall be convicted under this section if he proves that he had reasonable cause to believe that the vehicle would not be used in a public place until it had been put into a condition in which it might lawfully be so used.