Hey Muniza
As same case happened with me last year.So i am telling you not to worry about it.Your 11th class marks doesn't matter at the time of admission,but if you are going to appear for 12th this year,then yes you are eligible for the exam and you have to show your 12th result at the time of final admission process.You just have to show that you have passed your 10th and 11th.But for B.tech course you need 50% in 12th and for B.com (//B.com) you need 45% in 12th,for BBA there is no such criteria.
You can check more information about CUET here https://www.careers360.com/exams/christ-university-entrance-test
Hope It Helps
Best Of Luck!
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