(1)An order, decision, summons, notice or any other communication under this Act or the rules made thereunder may be served in any of the following modes, namely: -(a)by giving or tendering it directly to the addressee or importer or exporter or his customs broker or his authorised representative including employee, advocate or any other person or to any adult member of his family residing with him;(b)by a registered post or speed post or courier with acknowledgement due, delivered to the person for whom it is issued or to his authorised representative, if any, at his last known place of business or residence;(c)by sending it to the e-mail address as provided by the person to whom it is issued, or to the e-mail address available in any official correspondence of such person;(d)by publishing it in a newspaper widely circulated in the locality in which the person to whom it is issued is last known to have resided or carried on business; or(e)by affixing it in some conspicuous place at the last known place of business or residence of the person to whom it is issued and if such mode is not practicable for any reason, then, by affixing a copy thereof on the notice board of the office or uploading on the official website, if any.