Geography

You have many options:
1. B.Sc zoology, B.Sc botany, B.Sc Physiology, B.Sc anthropology - all these subjects are in colleges, and biology is taught in schools aswell. So, you have a huge career option open for you, as a teacher or lecturer.
2. You can opt for B.Sc Microbiology, which is an upcoming field and also has lots of scope in research.

You should take biology in class 12th (PCB) and go for some course related to environmental studies.

Hi Sharthak, too early to predict a college. While colleges like Kirorimal , Shivaji Collegen and Shaheed Bhagat Singh under DU, Queen Marys College - Chennai, Teri University are some of the well known university/colleges you have to wait for the cut-offs till you know which could be the best college for you.

Bhramaputra river is blowing from the East of India and merges with Ganga.

Yes, with the aggregate shared it is possible for you to get into DU. Apart from that you may apply in IP, BHU.

All career have a good scope as long as you have decided which career to choose.With English & Geography, there are many options such teaching, authoring, content management etc.These jobs will give you a good salary.

You can become any of these:
Regional and Urban Planner
GIS and Remote Sensing Specialist
Geographer
Forest Manager Demographer
Cartographer
Agricultural Specialist
Climatologist
Transportation Manager
Environment Manager