Hello Yash,
The main reason that Christ University has two test sessions is to check the student's interest in the studies.
There is not much of a difference in session 1 and session 2, but still, they are to check you and your understanding of the subject.
And for the further details, if you have any query you can even visit our website, where there is a detailed description which would be quite helpful for you https://www.careers360.com/
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