This is a great tests of systems - which field does it go in? First name? Middle? Last? It would not work well on systems I use.
As a person with one name and a programming background, I've always put my actual name in the last name field, assuming that that would usually be the most significant sorting field.
What is registering a bike? Register with whom, and why?
"Bike" in India is short for "motorbike". OP's relative probably needs to register a newly bought motorcycle with the local transport authorities.