Hello Nischal. You have a decent score. It means that almost 25.38% of the total no. of students who appeared in the exam are ahead of you. (Tot. students- 874469)

It is difficult to tell if you will be getting nit or any other college now since your percentile and rank may differ because it depends on the tot. no. of students appearing in the April exam. NTA will release the Overall merit list based on the no. of students appeared and best of two attempts of the students appearing twice. So to know your exact rank and a particular college cutoff you need to wait until the April exam ends.

But for now you can check your rank from the below formula.

Rank - (100-percentile score)*(874469/100)

But this is oviously not your final rank as it will be different if the total no. of students appearing in the April exam changes (most oviously no. of students appearing in April will be higher).

But from the previous cutoff I can tell you that any rank below 2,00,000 will get you qualified to sit for JEE Advanced.

For more details you can check the below link.

Https://www.entrance360.com/engineering/how-to-calculate-rank-for-jee-mains-2019/

Hope this helps. For any query you can comment down below.