Changing mobile number


I want to change the mobile number , which I am using now for trading on Zerodha, and communication with them. Please guide.

You can change your phone/email from Q. Click on the edit profile section>enter your new phone/email.



thank you very much

is it free and does it update in demat account too?

All these queries and more have been already answered on

Its not mentioned whether update is done in demat account too, hence asked.

Update will be done in Zerodha records, Exchanges and demat account

Assume mobile numbers A & B. I had registered my account with mobile number A. I changed my zerodha account mobile number From A to B. Can i register another family member using the mobile number A which i had registered to zerodha before?