Hi greebin . Congratulations for your score in jee mains 2020 and let me tell you that yes there is chances of your getting seat in national institute of technology that allows architecture branches as your score is good enough to grab you seat but yess you might not get into top national institutes as they have gradually higher cutoff compared to rest national institute so you can get seat in tier 2 national institute of technology .

You can use this link below to take help

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