Hello,
Common University Entrance Test (CUET) is an all-India examination conducted by the National Testing Agency (NTA) for students who are looking for admission to different courses in Central University. It is an entrance exam for admission into Top Universities.
The eligibility for appearing for CUET is that the Candidates must have passed Class 12th from a recognized school board. Candidate who failed in one or two subject of Class 12th will not be considered eligible to apply for CUET 2022.
Hence, you are not eligible for CUET since you have failed in Maths in ISC class 12th boatd examination. For further information regarding CUET, you can click on the link below:
https://university.careers360.com/articles/cucet-eligibility-criteria#:~:text=Candidates%20must%20have%20passed%20Class%2012th%20from%20a%20recognized%20school%20board.&text=Candidate%20who%20failed%20in%20one,to%20apply%20for%20CUET%20202
I hope this helps,
All the best
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