you have not mentioned your category so I am assuming general category. National Institute of Technology Surathkal qualifying cutoff for general category students is 100 as maximum cut off qualifying score. The lowest qualifying cut off score for general category is 87. So it is quite difficult or impossible for you to get entry in National Institute of Technology SuratKhal in any of its specialisations. The candidates who score equivalent or higher are are called for josaa counselling rounds as per their category.

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Dear candidate as you know with 85 percentile score if you wish to take up admission into NIT Surathkal it would be quite difficult. This as you know because, NIT holds a prestigious position into the list of colleges in India, so they do have higher cut off criteria than the marks you secured. For core branches like Mechanical,CSE,IT, ECE there is least chances but you can try for Civil branch, but it is somewhat difficult,

https://dqxeclau.top/university/national-institute-of-technology-karnataka-surathkal

Good luck!!

As per your percentile of 85 in JEE Main there is a possibility of you getting a seat in NIT Surathkal provided you have a reservation either SC/ST/OBC

For know more appropriate choices of colleges or institutes please use the JEE mains college predictor tool

I am attaching the link below

JEE Main College Predictor link