Hey aspirant,

As per your rank mentioned I guess you'll be eligible for all the branches if you are female and from other state.But as we all know that cutoffs vary every year on the basis of some factors like availability of seats and no.of students appeared for the exam etc.But if you are from homestate the you don't need to be worried about because securing 4k rank you will be on the safe side.for a better view or idea of cutoffs of NIT SILCHAR please refer to the link mentioned below-

https://www.google.com/amp/s/engineering.careers360.com/articles/jee-main-cutoff-for-nit-silchar/amp

Hope it helps.

All the best!