Certification of annual return

Dear Sir/Mam, My appointment has been made is 2nd may of 2016 in one company as company secretary in section 92 (1) its state that annual return should be signed by director and company secretary and in case no cs then it should be certify by pcs my question do i am authorized to sign the annual return for this year because my appointment has been made after 31-3-2016, kindly guide us on this matter to me ,