I have some doubt regarding EPF e-Sewa.I've registered my establishment as mentioned in teh website.I've uploaded the monthly contribution also, but some error occures in the uploaded contribution.but unable to read it.Wen i open the log error it displays the file is not 100% pdf.Now wat to do.After that wat i have to do.If anybody have demo/instruction manual for uploading contribution pls provide & help me.Help me in this regard.