IDP IELTS — Changing speaking time

Address: Amargarh

I given exam of 10april and my result appeared on 23april...i got overall 6band writing and listening 6 .and speaking and reading 5.5 so i filled re evaluation on 24april because i have much confidence to incline band ...after that 2may i got result of re revaluation but ...band was not increased...
The main.issue is that my speaking time change which was registered on my idp id
The registered time was 2.40to 3.00 but my speaking conducted on 2.20 to 2.40
Therefore i think he checked wrong student speaking ...so plss inquiry on it ...