Bank account update

I want to update my primary bank account. But because of COVID situation I am not able to courier it. is Zerodha accepting online bank account updates request. If yes then what is the procedure.
This is little urgent. A quick reply would be appreciated.

Online is possible, Read this to know the process.

@ShubhS9 Thank you so much for reply.
I tried updating bank account but couldnt.
Thats because I did not recieved any verification code in my email and hence system did not allow me to proceed.

Request you to raise ticket at

@ShubhS9 Today it did worked for me. I have submitted bank account update request through eSign. Thank you so much.