Bihar

Yess. You are eligible. Don't worry. Fill the application form. Go choice wise. Go for it.

Yes, you can apply in premiere universities are AMU, BHU, DU, JMI, etc. Make sure, its 50 percent.

Yes, you can do B.Tech from UPSEE. 10% seats are reserved for non up students in every college but u have to score good in UPSEE. If your rank lies under 1k, then you will definitely get the government college. Otherwise, you can opt for private colleges. Such as AKG, KIET and ABES.

Hello Sakshi,
Yes, you can apply for JCECE but just a difference is Jharkhand student are eligible for scholarship programme and outside student are not eligible for scholarship and there's no other difference.

Hi,
You just need a Bachelor's degree to get admission in Master's degree in economics.
For more details please check- http://www.ignou.ac.in/ignou/aboutignou/school/soss/programmes/detail/120/2
Regards.