Hey,

As the official cut-off marks hasn't relesed for NIT Delhi till now, so I would like to inform you to go through the previous year's cut-off details of this prestigious institution from the following link:

https://engineering.careers360.com/articles/jee-main-cutoff-for-nit-delhi

So now it's quite clear for you too that if you're an unreserved Candidate it's just impossible for you to get admitted in this esteemed institution. Because in 2019 the last qualifying rank for NIT Delhi was almost 20-21k where your rank is 40-41k in this year. [Your rank  can be easily estimated from your given percentile. For reference:

https://engineering.careers360.com/articles/jee-main-marks-vs-percentile]

So in this regard I just want to suggest you to leave the hope for this renowned instituion.

Moreover your rank is perfectly suitable for top State Government Engineering colleges. Hope that you've decided to apply  for State Level Counselling.

To know your admission possibilities in JOSSA and State Level Counselling procedure, you can use the following Careers360 JEE MAIN college predictor tool:

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

Wish you all the best !!