You are required to upload only your face photograph and passport bio page picture if you are visiting for the purposes of recreation/tourism/short term course. If you are visiting the business, technical meeting then you are also required to upload your email signature or business card in addition to the previous two documents. Medical applicants are required to provide a letter from the hospital.
You can take photo from your phone and upload the documents. The link to upload documents is provided to you by an email from our system sent on the registered email id once the payment has been successfully made. You can read more about the documents required here.
If you are not able to upload documents related to your eVisa India (electronic India Visa) for any reason, you can also email them to us.