Yes definitely,you can get admission NSUT,Delhi.As your rank is 26000 you can definitely apply there for the admission .If you are from delhi itslelf you can admission with upto 35000 rank but if you are from outside delhi your rank should be under 10000.only then you can get admission in this college.
Your rank is not that much good ,
And yes there is low chance of getting admission into any nits or iiits.
Do visit the above link for the probable colleges that you can get according to your rank,.
Hope it helped you.
Best of luck...!!