Home |Arvind Gangale Arvind Gangale 1 Answers, 0 Claps, 27 Views Share × Feeds Questions Answers Guides What to do as I am getting an Uploaded file not valid Error while uploading file in Aaple Sarkar website for Income Certificate? Name of file should not contain special character or numbers.Only English Character is allowed. 1 0 27 No questions added by Arvind Gangale. What to do as I am getting an Uploaded file not valid Error while uploading file in Aaple Sarkar website for Income Certificate? Name of file should not contain special character or numbers.Only English Character is allowed. 1 0 27 No Guides added by Arvind Gangale.