This exam is part of GATE Book Test Series and available only by Subscription. You can subscribe for this from the GATE Book website following the below link
GO Users who have verified their account and having > 10000 userpoints will get free access to the tests.
PS: GO is just hosting this exam and is not part of question framing or solution making for GB Test Series, though many of the answers are voluntarily given by GO users and errors corrected as and when noticed. All payment and refund must be done directly with GATE Book website.