One mobile number or email ID can be used for a maximum of 10 user accounts in E Filing

One mobile number or email ID can be used for a maximum of 10 user accounts as the Primary Contact- Mobile Number and Email ID in e-Filing. This is to ensure that family members (not exceeding 10 separate users) not having personal email or mobile can be covered under a common email or mobile, but in general taxpayers should have their own unique email ID and Mobile registered with the Department