Name change on pan card

My father's name on my PAN card & all my educational documents & certificates & passport is different (One letter changed).This was corrected 3-4 years back.His aadhar had his correct name & hence was reflected correctly on my aadhar card.Now linking my aadhar & PAN doesnt accept when I upload these 2 documents.I tried to change my father's name on PAN by submitting his old PAN & new PAN card along with my aadhar which had correct name & my existing PAN which has the correct name.But they are asking for school /college Leaving certificate now.All my School college certificate have the same incorrect name which was on his PAN card earlier.Hence,I am not able to change my father;s name on PAN card.