Hi Merrin. Christ University does not reveal it's entrance question paper publically but still, you can refer to the link below for some guidance. The entrance exam is not that difficult if you have a proper grip on your subjects. The skill assessment part is easy as they only ask two questions related to your stream. In the interview, you need to be confident while answering and do not hesitate if you don't know the answer.

link- https://www.indiastudychannel.com/question-papers/1294-Christ-University-question-papers.aspx

All the best for your entrance.