Tech Mahindra — Problem in attending psychometric test.

I started the tech mahindra psychometric test today and my test was stopped in the middle because of a power failure. when i tried to resume the test it says the test was finished. i couldn't complete the test. It may become a problem for me getting to next rounds. Kindly look into this and please help me. I have provided my details below.
NAME: ARAVIND
REGISTRATION ID: GTBAWK4HXZ
E-MAIL: [protected]@gmail.com