in case an auditor is appointed to fill the casual vacancy due to resignation of the previous auditor, an the new auditor is appointed for 5 years or for 1 year till the agm.
or in other words is appointment of auditor for 5 years is applicable in case of an auditor appointed to fill the casual vacancy(that is filing of ADT-1 for 5 years or ADT-1 to be filed for one year only) or its only appointed in case of appointment through agm only