It would be better if you could share which particular NIT you want me to compare with DTU as all NITs have different rating and rankings. Also,as per Careers360 rating DTU and all top NITs like NIT Trichy,Calicut,Surathkal etc have got AAAA+ which says these all are the outstanding choice to pursue B.Tech programs so its up to you whether you choose DTU or any top NITs but as per my opinion if you are from Delhi then better to go for DTU but consider your preference, choice, interest and convenience first before you make any decision.

You can check the ratings below -

https://engineering.careers360.com/colleges/delhi-technological-university-delhi

https://engineering.careers360.com/colleges/national-institute-of-technology-karnataka-surathkal

https://engineering.careers360.com/colleges/national-institute-of-technology-calicut

https://engineering.careers360.com/colleges/national-institute-of-technology-tiruchirappalli

Good Luck!!!