Please suggest to me, one of our workers is attaining the age of 58 years in April 2013, as per the date of birth he provided on the employment form, and we don't have any document regarding his date of birth proof. There is an agreement between management and workers, but no clause of service is mentioned in it. Can we retire him after the completion of his 58 years of service? He is requesting to continue in service for 3 more years.