Dear Aspirant,

with rank 180000 can you get any NITs if you belong to obc-ncl category.So,Let me make it very clear,

NO

Its difficult,Try other top universities so that it helps you getting admission,Mean while look at universities which provide excellent placement opportunities top infrastructure,enhancement in commuication skills,The universities are College of Engineering
IIITs, Allahabad,Lovely Professional University,SVNIT, Surat.

Otherwise you can take drop for a year and prepare well get good rank along with good percentile score and get selected into your dream NIT college.

To Predict your rank,percentile and college you can visit the link given below

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

And to know cut off  trend for Top NITs through JEE MAINS you can visit the below link.

https://engineering.careers360.com/articles/jee-main-cutoff-for-top-nits

To know about admisssion cut off for Top IIITs you can visit this link

https://engineering.careers360.com/articles/jee-main-cutoff-for-top-iiits

For cut off trend of GFTIs visit link given below

https://engineering.careers360.com/articles/jee-main-cutoff-for-top-gftis

Hope it will help you,

Thanks.