How to change my number and email

Sometimes you can create a new email and then you will be asked if you want to link it to another email and that will work half the time.the only way to actually change your phone number is to contact whatever cell phone provider you use in request a phone number change.

May be this information will be benefical for you
Change Phone Number/Email ID in My Account

1. Log into accounts.practo.com with your registered user id/phone number.
2. Click on the Edit Account button.
3. Click on the Change option next to the Email Id/Mobile Number field.
4. You'll be directed to the page where you can update your email ID/mobile number. ...
5. You'll get following notification on your screen.