Hello,
The answer keys of ICAR AIEEA UG is already released by NTA at the official website,
you can visit our page at https://university.careers360.com/articles/icar-aieea-answer-key, you will find the direct link to download the answer keys released by NTA officially,
the answer keys has been released as per set and program wise, depending upon the choices filled by the candidates,
you can also directly access the official answer keys at https://icar.nta.ac.in/downloads/FINAL%20ANSWER%20KEY%20ICAR%202021.pdf
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