Whoever engages in or controls any trade whereby a narcotic drug or a psychotropic substance is obtained outside India and supplied to any person outside India without the previous authorisation of the Central Government or otherwise than in accordance with the condition (if any) of such authorisation granted under section 12, shall be punishable with rigorous imprisonment for a term which shall not be less than ten years but which may extend to twenty years and shall also be liable to fine which shall not be less than one lakh rupees but may extend to two lakh rupees:
     Provided that the court may, for reasons to be recorded in the judgment, impose a fine exceeding two lakh rupees.