Jawaharlal Nehru University

Here is the official details of the college
https://www.shiksha.com/university/jnu-jawaharlal-nehru-university-Delhi-4225
You can check all the courses and their eligibility criteria.

There's an estimate of rs 650 for most of the courses .
Around 700rs is the fees .

There are some courses you can get in by giving entrance exam, and then there is an interview process you've to follow and some of the courses conduct the proper exam and after that the interview.
All the best.

Yes, you can go for Ph.D.

Hi,
It is quite impossible. Entrance exam is mandatory to get the seat in JNU.

Here is the complete details for the admission process in this university
https://www.shiksha.com/university/jnu-jawaharlal-nehru-university-delhi-4225/admission

Yes, you are eligible to apply for MA from JNU, as long as you hold a graduation degree.

Hello,
Yes, you are eligible to take admission for BA in Economics. Those candidates who have completed 12th standard from a recognized board are eligible for admission for BA in Economics. Your age should be above 17 years. Please visit this link to get a list of colleges in Delhi and Delhi NCR offering courses in BA Economics
https://www.shiksha.com/humanities-social-sciences/economics/colleges/b-a-colleges-Delhi-ncr
Hope it helps.