Pearson Vue — name registration

Address:

600026

I registered my self for pte test as balamurugan (Firstname) and s (Lastname). But in my passport it is as balamurugan (Firstname) and subramaniyan (Lastname). So they dint allow me to take test and asking me to reschedule by paying again inr 12, 000.

I registered - no mock test provided, no training provided, not attended the test, no scorecard generated, no communication to aus

What did pearson lose in this? Why don't they just give the option for us to change the details and proceed further?

Can pearson justify what they are asking is right?