Hi Gargi

Sorry but you cannot aply for NIMCET as it is entrance exam or science students.

the eligibility criteria issued by NIT is:

B.Sc. / B.Sc. (Hons) / BCA / BIT of minimum three years with Maths or Statistics
OR
B.E./ B.Tech

Students who have studied B.Sc./ B.Sc. (Hons)/BCA/ BIT of 3 years from Open Universities which are recognized are also eligible.

Regards!