Hello,

Eligibility criteria for  NEHU is candidate must have secured 45% minimum aggregate in PCM in 12th from a recognized board.

You have satisfied the eligibility criteria. Admission is done on the basis of selection criteria i.e. jee mains rank cutoff.  Your general category rank will be very high which may or may not come in cutoff range.

There are possibility through reservation category so it will help you open to more college options. If you  apply for colleges in your residential state then you can also apply for home state quota which will help you in some factor as 75-80% of seats are reserved for home state quota.

Hope it helps!