M.A

The eligibility criteria for MA course admissions at Online Manipal University is that candidate should have passed graduation. moreover, the duration of the course is for two years. Additionally, the application process for Online Manipal University MA course is mentioned below:

• Candidates need to choose a programme and then register
• Fill in the educational details
• Pay programme fee
• Upload document and submit application

The colleges that you can apply for.
University of Delhi
Jawaharlal Nehru University,
Banaras Hindu University
Aligarh Muslim University
University of Calcutta
Madras University
Bombay University
Lucknow University
Annamalai University
Osmania University
Punjab University

Yes, without an honors degree in economics, you can apply for an MA in Economics at Delhi University (DU) or Jawaharlal Nehru University (JNU). Admission to both universities is via an entrance exam. Regardless of their bachelor's degree, anybody can pursue an MA in Economics at DU's Delhi School of Economics. You can apply for merit or direct admission online. 
The MA in Economics at JNU is a two-year full-time program. JNU is a research-oriented institution. Without an honors degree in economics, you can apply for an MA in Economics at DU or JNU. You must, however, fulfill the minimal percentage requirement. 

Yes, you can but the rules for it vary from university to university. Generally, the candidates must have a Bachelor's Degree in Music with a minimum 50% aggregate score in the final examination. There is no age limit for the course. The admission process can be either entrance exam-based or merit-based.

Ideally, you must pursue MCA .Interest can be fulfilled anytime with other means but try to plan that think which you like as well as possible and is your strength.

Also you can explore about-

• IIT JAM
• CUET