INSZoom link for online test was never sent for 24th march 2019 exam

I received an invitation to appear in the INSZoom Technology 1st round exam. It was supposed to be a “Take from Home -Online Exam” as per the invite. In the admit card it was clearly written that the test details will be sent before the exam.
The scheduled time of the exam was 11am, 24th March 2019. But no mail, or elitmus notification came. I didnt get any link to give the online test.
Now its 11.15am and the event shows that “Your invitation has expired.”
Please respond and help me.