hi,

see for nimcet exam which is the entrance test for admission in nit for mca course, 12th percentage does not matter. the basic eligibility criteria is  Candidate must possess B.Sc. (Hons)/ B.Sc./BIT/BCA/B.Tech/B.E of minimum of three years duration  from a recognized board or university with mathematics or statistics as a subject. marks criteria for general category is 60% or 6.5 cgpa out of 10. for sc/st it is 55% or 6.0 cgpa out of 10.