Form 15CA

believe you can.  Refer section 2(35)of the act.  Also, pass a necessary resolution to delcare the relevant person as duly authorized to act as prinicipal officer. (something like this https://www.caclubindia.com/forum/appointing-principal-officer-86630.asp)

Dear Husain.  15 CA is not for the auditor.  Auditor signs 15CB.  Please understand the difference before commenting. the query is about whether the company's account can sign 15CA