Hi Jaskran Singh !

For pursuing Bachelor In Technology in Delhi NCR region , Indian Institute of Technology and National Institute of Technology are best colleges . For

Indian Institute of Technology , you have to clear JEE ADVANCED examination while for National Institute of Technology , you have to clear JEE MAINS examination . But for JEE ADVANCED also you have to clear JEE MAINS first .

some of the best colleges for Btech in delhi ncr are -

• IIT Delhi
• DTU
• NIT DELHI
• GGSIPU
• Netaji Subhash Institute of Technology
• Jamia Millia Islam 

wish you luck !!