Dear

According to the information with a 66 percentile in JEE Mains, getting admission to a Computer Science Engineering (CSE) branch in top-tier colleges in Bangalore or Delhi NCR might be challenging, but there are still several good options available:

Bangalore:

1. M. S. Ramaiah Institute of Technology (MSRIT)

2. Reva University

3. Presidency University

4. AIT Bangalore

5. International Institute of Information Technology (IIIT) Bangalore

Delhi NCR:

1. Guru Gobind Singh Indraprastha University (GGSIPU)

   Recommended

2. Jamia Millia Islamia (JMI)

3. BML Munjal University

4. Amity University, Noida

5. Netaji Subhas University of Technology (NSUT)

These colleges have good infrastructure and placement records. It's always a good idea to check the latest cutoff trends and use a JEE Main College Predictor for a more accurate idea of your chances.