Hello Khushi raghuvanshi..

According to careers360 rank formula, 

Rank formula= [(100-total score) * (no of students wrote exam)] /100

No of students attended are 874469.

So your expected rank will be nearly around 1,74,893.

As per previous year jee mains, any rank below 2,00,000 will be qualified for jee advanced.

So according to expected rank of yours, you are eligible for jee advanced.

And yes you may get seat in some nits. check official josaa site for previous years cutoffs.

Hope this helps you. All the best.