Hello Aspirant,

The eligibility criteria for the  MCA in NIT:

A bachelor's degree in B.Sc., B.Sc. (Hons.), BCA, BIT, B. Voc., or BBA with mathematics, business mathematics, or statistics as one of the topics and a minimum of 60% marks or 6.5/10 CGPA are the requirements for admission to the MCA curriculum.

You can refer the below link for more details:

https://it.careers360.com/articles/how-study-mca-in-nits

ALL THE BEST