Hello,dear

Well, eligibility criteria of Nimcet will not considered your 10+2 marks,you can not apply on after details. If you are graduate then ,they will consider your accademic details.

• FOR general ,OBC Candidate they must aggregate 60% or 6.5 CGPA .for SC/ST ,they must aggregate 55% or 6 cgpa to be eligible .
• Passing year should not be letter than 2019.if you are in final you can as well apply .
• Visit the below link to see the important dates of Nimcet etc

https://it.careers360.com/exams/nimcet

Hope this will help you!!