India

You can get the list of college by given link
https://www.shiksha.com/aviation/colleges/colleges-Delhi-ncr.

It is tough to answer without knowing your stream. If you want to go for professional course like engineering and medical sciences, then you have to face competitive exam. And, if you want to enroll in Delhi university, then you need to fill their form. Admission will be according to merit list only. However, some good college also takes interview after this.

Check the below link provided for getting all the information of mining engineering colleges in Tamil Nadu:
https://www.shiksha.com/engineering/colleges/mining-engineering-colleges-Tamil-Nadu.

Check out the below link provided for getting all the details of the top engineering colleges in Andhra Pradesh:
https://www.shiksha.com/b-tech/ranking/top-engineering-colleges-in-Andhra-Pradesh/44-2-100-0-0.

You can take admission in any good university in Canada by getting good marks in GRE TOEFL and ILETS.

You can take mass communication as this course has better career opportunities ahead. You will get good opportunities for you after pursuing this.
Good luck.

Hi Syed!
It doesn't matter from where your son has completed his intermediate. The only thing which is important is that he needs to clear all subjects. Yes he is eligible to apply under DASA.
Don't worry.
Best of luck.