Its Simple.
Firstly Prepare your data in Excel. Not Its Covert into .csv(Comma Delimated )Format. Now open this .csv file in notepad.
Replace all commas (,) with [#~#] and Save this file as text file. now your formate is ready to upload on PF Department Site.
Open this URL
Employer e-Sewa. now Enter your epfo login details.
When you complete the login process. you get your dashboard. here one option available 'Upload Challan'.
Click on That Option you will get a window. There is option for upload your Text File. Choose your Text File and upload. If your data is proper then its uploaded successfully otherwise its throws some error in text file.
if you get error file then check and verify this and again upload this. when uploaded then this shows in your screen.,
If finally want to submit then click on submit button to finally file your ECR.
this is the complete process.