EPFO portal has launched online submission of form 15G while submitting EPF withdrawal claim online. However, you can also fill and submit a physical copy to EPFO regional office for non-deduction of TDS.
For online submission, login to EPFO UAN unified portal, Click on Online services > Online Claim, fill in the requisite details, and verify the last 4 digits of the phone number, EPF withdrawal form will be visible.
On the screen, you will be able to upload form 15G. You will be able to download Form 15G from here. Fill the Part 1 of the form and convert it into PDF. Upload the PDF copy of the form while making an online claim.