Home |Kaustubh Keer Kaustubh Keer 1 Answers, 0 Claps, 75 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? Remove any brackets or special characters in the fle name , worked for me. 1 0 75 No questions added by Kaustubh Keer. What to do as I am getting an Uploaded file not valid Error while uploading file in Aaple Sarkar website for Income Certificate? Remove any brackets or special characters in the fle name , worked for me. 1 0 75 No Guides added by Kaustubh Keer.