No, you can attempt the online test series only a single time because the test, once submitted is sent for analysis and verification. Please note that the test series will be closed usually a few days before the GATE exam in February.
You can always purchase a new test series from here
Please dial 7799996602 and select number 6 from IVR options to contact OTS department.
Please reach out to our customer support team by writing an email to testseries@aceenggacademy.com