Dear Sadakuppam,
Now the EPF Portal also provides the facility of Uploading missing details. The option for downloading the file with missing details is available in Download option, with name "Download missing details (Annexure -II)". In this, the portal ask for providing the missing data of EPF Members. It is provided by the portal on periodic basis as per availability of data.
Keep checking this option and update the data timely.
Hope this will help you.