I got 92 %in 12 science and in jee my percentile is 80 whether i got any engineering collage

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If you are a General category student, the cut off is around 89.75, which means you scored below the cut off. So possibility of NITs are null. If you are a reserved category student, you scored above the cut off. But that doesn't guarantee you a seat. Especially in NITs which have cut offs above 92-94 percentile. You got a decent percentage in 12th standard. You can try applying to some private colleges. Alternatively, if you have written other exams like MHT-CET, COMEDK, WBJEE, BITSAT, UPSEEE etc you can get colleges through ranks in these exams.
Good luck.