Dear aspirant,

It's very complicated to say whether you can get admission in NIT's as the competition level of the exam are increasing day by day.

This time in 2021, near about 6 lakh candidates gave the exam,which is heavily less than previous counts,9+ lakhs,so there would be great changes in the cut-off compared to previous year's.

Now coming to other government colleges,you can apply to the colleges accepting admission through jee mains. Apply to other state colleges accepting mains result. Give other exams too,i am sure you can get good rank in state exams. Or the other option left for you is to prepare again for jee and do better this time,you will atleast need a percentile near to 97.5 %ile and above to secure a seat in central colleges considering your category.

To know your other chances through JOSSA & State level Government & private colleges, You can use the JEE Main College Predictor tool given below.

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

Best of Luck...