Can a Zerodha account be opened online if the Aadhaar is not linked to a mobile number?
No, a Zerodha account cannot be opened online if the Aadhaar is not linked to a mobile number. However, the account can be opened offline. See, How to open a Zerodha account offline?
To link the mobile number to Aadhaar, visit the nearest Aadhaar Seva Kendra. To find the closest Aadhaar Seva Kendra visit