Hello Aspirant !

Following are the some good colleges , which provide diploma courses after 10th :

1. Netaji Subhash Institute of Technology, Delhi
2. Amity School of Engineering and Technology, Noida
3. Guru Gobind Singh IP University, Delhi
4. DAV Institute of Engineering and Technology, Jalandhar
5. Guru Nanak Dev Engineering College, Ludhiana
6. Delhi Technological University, Delhi
7. Government College of Engineering, Pune
8. Thapar Institute of Engineering and Technology, Patiala
9. Guru Tegh Bahadur Institute of Technology, Delhi
10. KIITS University, Odisha

Hope it helps !