Email ID can be changed any time by simply following the steps below:
Via the website
Log in to your Drive lah account.
From the User dropdown select 'Account Settings'.
You will see Contact details tab open, with your current email Id filled in the 'Email Address' field.
Enter a new valid email in this field.
You will be asked to enter your password again. Enter the password and click on 'Save changes'.
Your new email will be saved in the system and you will receive an email on this new ID to verify the new email ID.
Via the app
Log in to your Drive lah app.
Go to the 'Profile' tab.
Select 'Contact Information' under the 'Account Settings' section.
Next to the Email, you will see and Edit button. Click on that.
In the edit screen, enter your new Email Id and current password and click 'Next'.
On the next screen, press 'Save'.
Your new email will be saved in the system and you will receive an email on this new ID to verify the new email ID.