In our factory workmen has requested for change in his date of birth in our records.He has produced his school leaving certificate and PAN card.Where as at the time of getting employment( about fifteen years back) he has filled the date of birth in employment form of the company and his application for job also contains the Date of birth which he wants to correct now--postpone by 2years. Unfortunatetly his documents are unverfied at the time of his joining with us.What should be our course of action--please suggest.