India

Hello,
Yes you are eligible for BBA after 10+2 from Haryana open board.
All the best.
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The best colleges are:
JNU
Jamia Milia
Asian College of Journalism

Hello,
FMS (New Delhi), Sydenham (Mumbai) and PUMBA (Pune) are some of the government funded colleges in India having a brand name and offering a very good ROI.

You can get all the information here:
https://www.shiksha.com/bba/articles/top-colleges-offering-bba-in-north-india-blogId-7305

MA economics is not offered in Delhi School of Economics. Refer the link to know about the courses offered in this college:
https://www.shiksha.com/college/Delhi-school-of-economics-north-campus-50793

It will be very tough to answer this question as it is not specific to a category and specialisation of education. There are many stream and specializations in doctorory. The salary range differs as there are a lot of specialisations possible as per human anatomy. But if I still answer the question, the salary can range from 30,000 per month for a doctor who has just finished his MBBS to as high as 2-3 Lacs per day for highly accomplished super specialist. An ex-professor of AIIMS had been offered around 12 crore per annum from a big corporate hospital.