These covers are those which are prepared, printed  and got postmarked by philatelist or some "Special Event Cover Society" on visit of some personalities with or without cachet.  These covers may have different postmarks of the places which have been visited by the dignitaries.

These covers are creative masterpieces of philatelists' imagination and efforts to obtain in sequence the postmarks of the places visited by the dignitaries during his or her visit to India.  Such covers make postal history and create niche in hearts of philatelists. They make visit of the dignitary more memorable and give a new postal dimension to such visit.  Such Special Event Covers become more desirable to philatelists.