I don't have last name on any of my documents like passport,?
If you have different names on different documents. The suggested approach that I would recommend is to give a dual name affidavit. which will say that- the person named XYZ and ABC are the same and I hereby confirm this. The annexure you may get it from the internet or from the agent that you're applying to. you can ask me questions if you have any contact details are in bio.