Economics

"You have not mentioned if you are asking for graduation level or post graduation level courses in Economics. If you've just completed your 12th then you can go for BA in Economics followed by MA in the same field. For graduation you can apply directly in different Colleges offering courses in Economics but for PG i.e MA in Economics you will have to give entrance exams to get a seat in reputed colleges. Best colleges to pursue MA Economics are Delhi School of Economics, JNU, Presidency College Kolkata , University of Bombay, Indian Statistical Institute Kolkata, Sri Ram College of Commerce & UPES College of Management & Economics Studies Dehradun.
Now coming on career options I would say the career prospects for economics graduates are many both in the public as well as the private sectors. In the government sector, one may try for Indian Economic Services, jobs in Reserve Bank of India, PSUs and other public sector banks. All these jobs have wonderful career options. These jobs give you social prestige along with financial stability. Private sector also offers jobs for economic graduates in the fields like private banks, MNCs, BPOs, KPOs, Business journals, and newspapers.
Hope this info helps you! All the best."

I would suggest you to continue with your current field and go for Masters in economics from a good college which will help you understand the basic nuances of economic policies and how economy chain runs and will help you to make a good career in this field. Economics graduates have various professions open to them. . they can work in various sectors like Business, Education, Government & Consultancy fields, Banking, Political consulting and various Nonprofit organizations. Apart from this, The Indian Economics Service and positions in the Reserve Bank of India are great opportunities to be employed with. Best colleges to pursue MA in Ecnomics are DSE Delhi, UPES Dehradun, JNU, BHU etc. Doing MA from an okay type college won't help you much in furture so work hard and try to get a seat in any of these institute. All the best!