Suspension

in which Government/PSU or organisation? some rules are vary in the matter. However generally, only after issue of charge memo, the department will proceed for enquiry. but for preliminay enquiry, it is not necessary to issue charge memo or an ordinary memo.

Your query is absolutely vague.  You have stated no material fact.  Therefore it is not clear whether the views expressed by Mr Kavaksatyanarayana (though fully correct) fit into your problem or not.