Date of completion in CA FInal exam form

My date of completion of articleship as per form 103 is 30th Sept 2014
but if calculate on 1st May it will extend till 15th oct 2014. which makes me eligible for MAY 2014 attempt.
but the query is in exam form annexure certificate of service what date of articleship is to be filled 30th sept or 15th oct and there it is written as per deed??? Please reply urgently