They just sent me an OTP on my phone. Thats it. Verification done. Then, as you mention, people can also log in to their net banking portal and verify, since th

They just sent me an OTP on my phone. Thats it. Verification done. Then, as you mention, people can also log in to their net banking portal and verify, since the account would be linked to your PAN card. So in conclusion, most people should not need to send any hard copy at all.