Service of notice expanded to include fax, email, courier, speed post and newspaper publication in adjudication procedure. Amendment to rule 7 adds fax, electronic mail, courier and speed post with acknowledgement due as modes of service of notice, requires faxed notices to note transmission and page count for annexures, mandates digital signature for electronic mail and rules that bounced emails do not constitute valid service, and permits newspaper publication when notices cannot be affixed on the outer door, requiring one nationwide English daily and one widely circulated regional language paper.