In online filing, the trademark application in Form TM-A has to be electronically filed through the portal for e-filing by clicking on the link
Except for the work mark, other forms of trademark have be uploaded to the application. Authorization in Form TM-48 as well as Statement of user in the appropriate case needed to be filed.
In case of online filing of the document, digital signature will be considered as signing of the document. A class III or II digital signature from any of the Indian Certifying Authorities is required for the said purpose.
Payment has to be made online through Bharat kosh
E-filing cannot be made using a mobile phone.