(4)Notwithstanding anything contained in sub-rule (1), the Director General may initiate an investigation suo moto if he is satisfied with the information received from any Principal Commissioner of Customs or Commissioner of Customs appointed under the Customs Act, 1962 (52 of 1962) or any other source that sufficient evidence exists as referred to in clause (a), clause (b), clause (c) and clause (d) of sub-rule (3).
